David K. Joyce

Latest Additions

Below are the most recent additions to my specimens database. Click on any of the thumbnails to view a larger image of the specimen.

All prices in Canadian dollars. For payment in US$, deduct 20% or multiply by 0.8.

 

Arsenic, StibniteNATIVE ELEMENTS, Various Localities
  • Item #29982
  • Arsenic, Stibnite
  • 7.4x5.4x4.2 cm
  • Largest Crystal Size: n/a
  • $65.00
  • Kusa Mine (near Bau)
  • Sarawak
    Malaysia
  • A mound of massive native arsenic with crystals of stibnite embedded in it. The top and front has a thin covering of, presumably an unknown secondary arsenic mineral. An old Pequa Rare Minerals label accompanies it. Very dense and rich!
DescloiziteSecondary Minerals, Various Locations
  • Item #29974
  • Descloizite
  • 11.2x9.0x7.0 cm
  • Largest Crystal Size: 18mm
  • $85.00
  • Berg Aukas

  • Namibia
  • A large mass of solid descloizite that has many cavities lined with bladed, lustrous, brown descloizite crystals. Very dense, rich and impressive!
Calcite, ps glauberiteArizona -Various Minerals
  • Item #29970
  • Calcite, ps glauberite
  • 9.2x8.5x6.8 cm
  • Largest Crystal Size: 43mm
  • $75.00
  • Camp Verde
  • Yavapai County
    Arizona, USA
  • One of the nicer clusters of these pseudomorphs that I've seen from this famous place. The crystals are all thick-tabular, white crystals showing the morphology of glauberite but composed of calcite! Displays very well!
VesuvianiteJeffrey Mine, Asbestos, Quebec, Vesuvianite
  • Item #29969
  • Vesuvianite
  • 8.0x7.7x2.6 cm
  • Largest Crystal Size: 20mm
  • $110.00
  • Jeffrey Mine
  • Asbestos (Val des Sources)
    Quebec, Canada
  • This plate of solid vesuvianite is covered higgledy-piggledy with gemmy, light green, square-prismatic vesuvianite crystals, many well terminated. Harder to come by these pieces these days!
Quartz, Hedenbergite, AndraditeTreasures, Odds and Sods, Various Localities
  • Item #29968
  • Quartz, Hedenbergite, Andradite
  • 6.5x5.5x4.5 cm
  • Largest Crystal Size: q-38mm
  • $75.00
  • Serifos Island
  • Milos
    Greece
  • The quartz-andradite clusters from Serifos have become a modern day classic! The crystals are tapered, terminated crystals heavily included with fibrous hedenbergite. Of course the matrix is composed of orangey andradite garnet. Stands nicely for display!
OrpimentSulphides, Arsenides, etc. Miscellaneous, Page Two
  • Item #29965
  • Orpiment
  • 9.3x6.6x4.8 cm
  • Largest Crystal Size: 45mm
  • $140.00
  • Shimen
  • Hunan
    China
  • A large cluster of burnt orange, well terminated orpiment crystals from this relatively new location. The crystals appear rough but they are not damaged, they just have a sort of stepped prismatic form. Nicely terminated! Displays very well!
CelestineSouth Ontario Limestone Quarries, Celestine
  • Item #29964
  • Celestine
  • 14.6x6.3x3.3 cm
  • Largest Crystal Size: as above
  • $85.00
  • Lafarge Quarry
  • Wentworth County
    Ontario, Canada
  • A rather large, light blue-grey, singly-terminated celestine crystal from Canada's best locality. The crystals from this location often have multiple, white-zoned terminations and this crystals shows that tendency well. Nice, large, dense crystal!
Axinite-MnTreasures, Odds and Sods, Various Localities, Page Three
  • Item #29960
  • Axinite-Mn
  • 9.0x5.6x3.3 cm
  • $225.00
  • Dalnegorsk
  • Primorsky Kray
    Russia
  • All political problems aside, there are some GREAT minerals that originate in Russia. This is a particularly excellent example of axinite from this famous mining area. It is composed, mostly, of axinite, with a light dusting of pyrite, in places, and associated with small amounts of a white mineral, perhaps calcite or prehnite. The axinite-Mn is the star of this specimen in long, wedge-shaped, razor-sharp, terminated crystals. Really is an excellent, good-looking specimen of this mineral.
PhlogopiteGrenville Minerals, Various Localities
  • Item #29958
  • Phlogopite
  • 11.5x9.4x0.1 cm
  • Largest Crystal Size: as above
  • $75.00
  • Templeton Township

  • Quebec, Canada
  • An oldie! This hexagonal crystal section of phlogopite shows a phantom crystal on one side. The antique tag attached to it indicates the phantom is a "twin" Not so sure about that but it IS a nice phantom! The Location on the back of the tag is simply "Templeton Township", so the crystal must have come from one of the calcite vein-dykes in that small area. Excellent!
BaryteCanadian Specimens, Various Localities
  • Item #29955
  • Baryte
  • 6.5x5.0x3.3 cm
  • Largest Crystal Size: 13mm
  • $55.00
  • Aguathuna
  • Port au Port Peninsula
    Newfoundland, Canada
  • A great looking baryte crystal specimen showing tabular, beveled baryte crystals with white corners. An unusual white zoning! Looks great!
BaryteCanadian Specimens, Various Localities
  • Item #29954
  • Baryte
  • 5.0x5.2x3.0 cm
  • Largest Crystal Size: 15mm
  • $45.00
  • Aguathuna
  • Port au Port Peninsula
    Newfoundland, Canada
  • Here is a nice mound of tabular baryte crystals from a little-known "White Smoker" formation on the west coast of Newfoundland. The crystals have trianguilar white zones on every corner of the crystals.
Skutterudite, SaffloriteCobalt/Gowganda, Ontario -Various Species
  • Item #29952
  • Skutterudite, Safflorite
  • 6.6x5.6x6.0 cm
  • Largest Crystal Size: c-4mm
  • $140.00
  • Langis Mine
  • Casey Township
    Ontario, Canada
  • This is an interesting one! It is a mass of arsenide mineralization showing vermiform safflorite that is studded with skutterudite and small quartz crystals. The extremely sharp skutterudite crystals are mostly 1-2mm but up to 5mm in size. On the back there is an excellent showing of safflorite pseudomorphs after herringbone silver crystals. Very cool specimen!
Silver, Erythrite, arsenides.Cobalt/Gowganda Area -Old Pieces
  • Item #29947
  • Silver, Erythrite, arsenides.
  • 8.2x8.0x4.5 cm
  • Largest Crystal Size: n/a
  • $225.00
  • O'Brien, Jackes
  • Gowganda
    Ontario, Canada
  • A chunk of old. ore-grade mineralization. Very dense with heavy oxidation of the arsenides and silver poking out all over. Comes with an antique, Arthur Cole label. Rich old timer from the early days!
UraniniteGrenville Minerals, Various Localities, Page Two
  • Item #29945
  • Uraninite
  • 1.0cm cm
  • Largest Crystal Size: 10mm
  • $75.00
  • Cardiff Uranium Mine
  • Wilberforce
    Ontario, Canada
  • A simple, pretty-well complete, simple cube of uraninite from this famous place!
Uraninite, TitaniteGrenville Minerals, Various Localities, Page Two
  • Item #29942
  • Uraninite, Titanite
  • 3.6x3.0x2.8 cm
  • Largest Crystal Size: 5mm
  • $65.00
  • Cardiff Uranium Mine
  • Wilberforce
    Ontario, Canada
  • There is a sharp cube of uraninite on the top of this matrix of fluorite, pyroxene and white calcite. The uraninite crystal is attached to a poorly formed, wedge-shaped titanite crystal. Interesting calcite vein-dyke specimen1
UraniniteGrenville Minerals, Various Localities, Page Two
  • Item #29941
  • Uraninite
  • 3.8x2.7x2.5 cm
  • Largest Crystal Size: 7mm
  • $75.00
  • Cardiff Uranium Mine
  • Wilberforce
    Ontario, Canada
  • A fairly well formed 7mm cube of uraninite sits atop this vein-dyke matrix of fluorite, pyroxene, mica and white calcite.
Rutile, BaryteGrenville Minerals, Various Localities
  • Item #29937
  • Rutile, Baryte
  • 6.5x5.2x5.0 cm
  • Largest Crystal Size: 45mm
  • $65.00
  • Lac McGregor
  • Perkins
    Quebec, Canada
  • This fragment of massive, blue, baryte has a very lustrous, striated, rutile crystal embedded in it. The rutile has been naturally cracked and held in place by the baryte. Displays very well!
Rutile, AlbiteGrenville Minerals, Various Localities
  • Item #29933
  • Rutile, Albite
  • 10.5x5.5x2.5 cm
  • Largest Crystal Size: 15mm
  • $45.00
  • Lac McGregor
  • Perkins
    Quebec, Canada
  • A number of lustrous rutile crystals are exposed on a bed of smaller albite crystals in this specimen. The rutiles show various degrees of curves and kinks! Interesting!
Rutile, MicroclineGrenville Minerals, Various Localities
  • Item #29929
  • Rutile, Microcline
  • 10.0x7.4x5.7 cm
  • Largest Crystal Size: 18mm
  • $55.00
  • Lac McGregor
  • Perkins
    Quebec, Canada
  • Several doubly terminated, singly terminated and crystal sections on a face of small microcline crystals. The front of this piece is angled at 45 degrees or so for perfect viewing.
Rutile, BaryteGrenville Minerals, Various Localities
  • Item #29927
  • Rutile, Baryte
  • 6.8x6.6x6.4 cm
  • Largest Crystal Size: 29mm
  • $75.00
  • Lac McGregor
  • Perkins
    Quebec, Canada
  • Two sharp. lustrous prisms of rutile are exposed in a cavity in massive baryte. A very dense specimen! The thicker rutile crystal is terminated with the termination pointed downwards. Good-looking, interesting specimen!
Antimony, Valentinite, Stibnite, etc.NATIVE ELEMENTS, Various Localities
  • Item #29925
  • Antimony, Valentinite, Stibnite, etc.
  • 8.8x6.6x4.0 cm
  • Largest Crystal Size: n/a
  • $85.00
  • Lac Nicolet, Sb Mine
  • Lac Nicolet, Ham Sud
    Quebec, Canada
  • This very dense specimen is about 60% pure native antimony! The dark part that you see in the middle is all native antimony. It is a vein section and the lighter minerals that you see are stibnite, quartz and valentinite. There are some excellent micro-valentinite crystals in some of the vuggy areas. Rich specimen from this old, long closed, antimony mine.
Pentlandite, Pyrrhotite, MagnetiteRocks and Ores, Sulphide Ores, Various Localities
  • Item #29918
  • Pentlandite, Pyrrhotite, Magnetite
  • 6.7x5.5x1.3 cm
  • Largest Crystal Size: n/a
  • $40.00
  • Noril'sk Mine
  • Noril'sk, Siberia
    Russia
  • Fine grained pentlandite, pyrrhotite and globs of magnetite from one of the richest, economic, bodies of mineralization in the world. This mine has been producing nickel, copper and PGM metals for decades. Sliced and polished on one side and rough on the other. Nice, typical sample of ore from this great mine!
AtacamiteSecondary Minerals, Various Locations
  • Item #29916
  • Atacamite
  • 7.3x3.8x3.2 cm
  • Largest Crystal Size: 4mm
  • $35.00
  • Chuquicamata Mine
  • Chuquicamata
    Chile
  • This is NOT a spectacular specimen but it is an old specimen from the largest copper -producing Mine in the world. The Chuquicamata Mine was originally developed by the Anaconda Mining Company and eventually nationalized by the Chilean government into their copper mining company called Codelco. According to the geologist label affixed to this specimen, it was collected way back in 1962, when the mine was still run by Anaconda! If you are interested in mining history...
SphaleriteRocks and Ores, Sulphide Ores, Various Localities
  • Item #29915
  • Sphalerite
  • 6.1x4.6x1.2 cm
  • Largest Crystal Size: as above
  • $35.00
  • Picos de Europa
  • Santander
    Spain
  • A cleavage fragment of gemmy, orange sphalerite from this famous sphalerite mine. The sphalerite is gemmy in areas and has that characteristic colour from this place that produces beautiful orange crystals and gemmy cleavages.
HaliteRocks and Ores -Non-Metallic Ores, Various localities
  • Item #29913
  • Halite
  • 8.0x7.5x5.3 cm
  • Largest Crystal Size: as above
  • $65.00
  • Sifto Salt Co.
  • Goderich
    Ontario, Canada
  • A wonderful tabular cube of halite from the largest salt mine in the world. The halite from this mine is not usually like this but in certain areas, the halite has recrystallized and this sort of form is encountered during mining. A seam of clay minerals through the middle of it. Excellent example!
MuscoviteRocks and Ores -Non-Metallic Ores, Various localities
  • Item #29912
  • Muscovite
  • 6.4x4.5x2.4 cm
  • Largest Crystal Size: 20mm
  • $40.00
  • Gaspe Copper Mine
  • Murdochville
    Quebec, Canada
  • A peculiar, dendritic habit of muscovite from a pegmatitic phase that this long-closed copper mining-smelting complex. The old label affixed to it identifies it as "brucite" from Gaspe. I have no doubt it is from Gaspe but it has been miss-identified. Interesting!
CopperZeolites, Bay of Fundy, Nova Scotia, Various
  • Item #29908
  • Copper
  • 15.3x9.5x3.2 cm
  • Largest Crystal Size: 10mm
  • $750.00
  • Keweenaw Peninsula
    Michigan, USA
  • This is a solid piece of copper, totally consisting of copper crystals. It has excellent luster with the original patina. It is an oldy from one of the original fissure veins of the Keweenaw Peninsula. It is in the "Killer" category! Catalogue # indicates that it is from the Frederick Smith Collection. Smith was a prominent collector in the late 19th and early 20th centuries. A gorgeous, old time specimen.
SphaleriteSulphides, Arsenides, etc. Miscellaneous, Page Four
  • Item #29906
  • Sphalerite
  • 8.3x6.2x2.7 cm
  • Largest Crystal Size: 10mm
  • $85.00
  • Eagle Mine
  • Gilman, Eagle Co.
    Colorado, USA
  • A simple plate of lustrous, well formed, twinned, deep-brown sphalerite crystals on a quartz/pyrite matrix. Classic USA locality!
Chalcopyrite, QuartzRomanian Minerals
  • Item #29905
  • Chalcopyrite, Quartz
  • 9.5x9.3x1.9 cm
  • Largest Crystal Size: c-15mm
  • $140.00
  • Boldut Mine
  • Cavnic, Maramures
    Romania
  • A gorgeous plate of, lustrous, gemmy quartz crystals studded with bright, deep-golden chalcopyrite crystals. The chalco's are twinned and really contrast beautifully with the quartz. Very showy as well as instructional!
Calcite, var. Cave FormationArizona -Various Minerals
  • Item #29903
  • Calcite, var. Cave Formation
  • 15x9.5x9.5 cm
  • Largest Crystal Size: n/a
  • $75.00
  • SW Mine
  • Bisbee, Cochise County
    Arizona, USA
  • When they were mining at Bisbee, many years ago, they often encountered large caves in the underground workings. The caves were lined with stalactites, stalagmites and popcorn calcite formations such as this one. A very nice example from this old, long closed mine.
HematiteTreasures, Odds and Sods, Various Localities
  • Item #29900
  • Hematite
  • 13.8x3.5x3.7 cm
  • Largest Crystal Size: as above
  • $150.00
  • Montreal Mine
  • Montreal, Iron County
    Wisconsin, USA
  • A classic example of "needle ore" from a classic American locality! This specimen is an elongated, curved almost fibrous growth of hematite. It is, in fact, a partial section through botryoidal hematite formation: a large one! Very good example. Accompanied by old Arkenstone label.
HematiteTreasures, Odds and Sods, Various Localities
  • Item #29897
  • Hematite
  • 16.0x6.7x3.8 cm
  • Largest Crystal Size: as above
  • $160.00
  • Hodbarrow Mine
  • Millom, Cumbria
    England
  • A superb example of "needle ore" from this old iron mining area. The piece is a tapered fragment of a very large mammilary growth of hematite. On the largest end you can see the botryoidal structure. Excellent example!
Bournonite, Sphalerite, Quartz, PyritePanneton Collection
  • Item #29896
  • Bournonite, Sphalerite, Quartz, Pyrite
  • 22.5x15.0x5,.5 cm
  • Largest Crystal Size: 10mm
  • $100.00
  • Julcani Mine
  • Julcani, Huancavelica
    Peru
  • This is a rather large plate of quartz crystals with sphalerite, chalcopyrite and pyrite crystals popping up between the quartz crystals all over. The last sulphosalt to form is bournonite and it is present as well formed cogwheel twins wherever the sulphides are. Extra postage! Excellent!
Bournonite, QuartzPanneton Collection
  • Item #29895
  • Bournonite, Quartz
  • 10.8x8.5x5.7 cm
  • Largest Crystal Size: 16mm
  • $100.00
  • Julcani Mine
  • Julcani, Huancavelica
    Peru
  • This piece is largely covered with quartz crystals of two generations. The larger crystals are the first generation, then well formed bournonite crystals formed on the quartz, followed by a fine drusy quartz which drapes over some of the bournonite crystals. Nice cogwheel-twinned bournonite crystals!
Sphalerite, Quartz, PyritePanneton Collection
  • Item #29894
  • Sphalerite, Quartz, Pyrite
  • 14.1x9.0x8.0 cm
  • Largest Crystal Size: sph-25, qu-15mm
  • $120.00
  • Animon Mine
  • Huaron, Pasco
    Peru
  • This is a very vertical specimen, covered on all sides by sharp, milky quartz crystals. Sphalerite crystals poke through here and there and most of them are partially coated with sparkling, tiny pyrite crystals. Some damage to the quartz crystals but, still, a very good example.
Sphalerite, QuartzPanneton Collection
  • Item #29892
  • Sphalerite, Quartz
  • 16.0x12.5x5.0 cm
  • Largest Crystal Size: sph-23mm, qu15mm
  • $120.00
  • Animon Mine
  • Huaron
    Peru
  • A wonderful plate of lustrous, resinous sphalerite crystals, nicely draped with sparkling quartz crystals, ranging from tiny to 15mm or so in size. Beautiful! Displays well.
TetrahedritePanneton Collection
  • Item #29891
  • Tetrahedrite
  • 11.2x5.8x2.5 cm
  • Largest Crystal Size: 38mm
  • $150.00
  • Casapalca Mine
  • Huarochiri, Lima
    Peru
  • A plate of sharp, tetrahedral tetrahedrite crystals, modified by tris-tetrahedral faces. Sweet! Excellent piece from this famous locality.
Lazulite, Fluorapatite, QuartzPanneton Collection
  • Item #29890
  • Lazulite, Fluorapatite, Quartz
  • 8.2x5.2x1.7 cm
  • Largest Crystal Size: L-11mm, Fl-6mm
  • $125.00
  • Rapid Creek

  • Yukon, Canada
  • This plate of crystals is tilted slightly towards the viewer for excellent display. It shows a drusy covering of quartz crystals, which, in turn, is largely covered by sharp, equant-prismatic, well terminated, white fluorapatite crystals and then crowned with several, deep blue, twinned lazulite crystals. Nice one!
PyritePanneton Collection
  • Item #29888
  • Pyrite
  • 6.5x5.7x3.6 cm
  • Largest Crystal Size: 28mm
  • $150.00
  • Quiruvilca Mine
  • Santiago de Chuco, La Libertad
    Peru
  • Really quite a stunning pyrite specimen when displayed vertically. The thick plate of pyrite crystals is crowned with a lustrous cube showing silky, pyritohedral stria and octahedral modifications.
Sphalerite, QuartzPanneton Collection
  • Item #29887
  • Sphalerite, Quartz
  • 9.8x4.2x1.8 cm
  • Largest Crystal Size: 24mm
  • $70.00
  • Casapalca Mine
  • Casapalca, Huarochiri
    Peru
  • This thin plate of quartz crystals has three lustrous, brown, complexly twinned, sphalerite crystals near the center of it. Displays perfectly.
MolybdenitePanneton Collection
  • Item #29884
  • Molybdenite
  • 3.6x3.5x2.4 cm
  • Largest Crystal Size: 19mm
  • $65.00
  • Moly Hill Mine
  • Riviere Heva
    Quebec, Canada
  • A perfect rosette of metallic, lustrous molybdenite is perfectly exposed in this glassy, quartz matrix. It is a sharp crystal with each of the forms on the pinacoid rosette, very well formed.
GrossularPanneton Collection
  • Item #29882
  • Grossular
  • 6.7x6.3x2.4 cm
  • Largest Crystal Size: 14mm
  • $2,700.00
  • Jeffrey Mine
  • Val des Sources (Asbestos)
    Quebec, Canada
  • A spectacular, gemmy grossular specimen from one of the best grossular localities in the world. The crystals are all dodecahedra with a generous helping of trapezohedral modifications. Stands perfectly for display. An excellent example of this mineral!
Gypsum, var. selenitePanneton Collection
  • Item #29881
  • Gypsum, var. selenite
  • 12.0x6.6x5.3 cm
  • Largest Crystal Size: 120mm
  • $75.00
  • Hines Creek

  • Alberta, Canada
  • Two intergrown, textbook gypsum crystals with some clay inclusions. A little bit of bruising on the terminations. Very nicely fluorescent!
CubanitePanneton Collection
  • Item #29880
  • Cubanite
  • 2.4x1.9x0.6 cm
  • Largest Crystal Size: as above
  • $2,450.00
  • Henderson II Mine
  • Chibougamau
    Quebec, Canada
  • A spectacular cubanite crystal! This "sixling" shows classic, cubanite twinning, is lustrous and only has one point of attachment on the bottom. Great shape. Very similar on the obverse side. We don't see these very often any more!!
StibnitePanneton Collection
  • Item #29879
  • Stibnite
  • 8.3x1.4x0.8 cm
  • Largest Crystal Size: as above
  • $75.00
  • Xikuangshan Antimony Mine
  • Shaoyang, Hunan
    China
  • A single, beautifully terminated, well striated crystal of stibnite from this prolific area. The crystal shows that peculiar, "bent" or "warped" crystal form that we often see in stibnite.
Chalcopyrite, Quartz, PyritePanneton Collection
  • Item #29877
  • Chalcopyrite, Quartz, Pyrite
  • 7.2x6.7x3.3 cm
  • Largest Crystal Size: ch-25mm
  • $150.00
  • Huaron Mine
  • Pasco
    Peru
  • An exemplary chalcopyrite specimen! This plate of water clear quartz crystals has a couple of chalcopyrite crystals on it, plus a couple of lustrous pyrite crystals. The biggest chalcopyrite crystal is a perfectly contact twinned tetrahedra. Really nice!
Stibnite, QuartzPanneton Collection
  • Item #29876
  • Stibnite, Quartz
  • 8.6x3.6x3.1 cm
  • Largest Crystal Size: 73mm
  • $100.00
  • Xikuangshan Antimony Mine
  • Shaoyang, Hunan
    China
  • This cluster of stibnite crystals is composed of lustrous, all terminated crystals, partially encrusted with sugary, drusy quartz crystals. A little rock matrix attached, also, largely encrusted with quartz crystals. Beautiful!
Microcline, Var. AmazoniteCanadian Specimens, Various Localities
  • Item #29870
  • Microcline, Var. Amazonite
  • 5.5x4.1x1.5 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Delbreuil Twp.
    Quebec, Canada
  • A fragment of the pleasantly green-blue "amazonite" variety of microcline from an unusual p[egmatite locality. The piece is sawn on one side and polished, parallel to the cleavage plane on the back side. Attractive and interesting. The old geologist label affixed to the piece indicates location and that it was collected in 1978.
Gold, QuartzGold -Panneton Collection
  • Item #29821
  • Gold, Quartz
  • 3.3x2.5x1.0 cm
  • Largest Crystal Size: 5mm
  • $1,700.00
  • Eagle's Nest Mine
  • Placer County
    California, USA
  • A lovely cluster of gold crystals, some very sharp, hoppered octahedra with just a tiny amount of quartz attached. Beautiful specimen of crystallized gold! Panneton label accompanies it.
Gold, QuartzGold, Canadian Localities
  • Item #29819
  • Gold, Quartz
  • 5.4x4.43.9 cm
  • Largest Crystal Size: 10mm
  • $3,500.00
  • Eagle's Nest Mine
  • Placer County
    California, USA
  • Rich, yellow native gold crystals are perfectly exposed on the top of this pure, white, quartz matrix. The gold crystals are flattened, twinned octahedra with small modifying faces and vicinal faces. Has a little wire stand, affixed to the base to enable the specimen to display perfectly. Excellent example of crystallized gold from this amazing gold locality! Gruel and Panneton Labels accompany it.
ChrysocollaArizona -Planet Mine, La Paz County, Arizona
  • Item #29810
  • Chrysocolla
  • 10.0x8.5x6.5 cm
  • Largest Crystal Size: n/a
  • $110.00
  • Planet Mine
  • La Paz County
    Arizona, USA
  • This is one of the best specimens that we collected at Planet Mine. There is a wide zone across the front of it that holds quite a few, intense-blue-green botryoids of chrysocolla. An excellent specimen that stands very well for display!
ChrysocollaArizona -Planet Mine, La Paz County, Arizona
  • Item #29809
  • Chrysocolla
  • 11.5x10.0x5.5 cm
  • Largest Crystal Size: n/a
  • $75.00
  • Planet Mine
  • La Paz County
    Arizona, USA
  • The top and much of the bottom of this gossanous matrix is well endowed with green-blue botryoidal chrysocolla. The chrysocolla is more green-ish blue, in person. Excellent cabinet specimen!
ChrysocollaArizona -Planet Mine, La Paz County, Arizona
  • Item #29807
  • Chrysocolla
  • 3.3x2.7x1.6 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Planet Mine
  • La Paz County
    Arizona, USA
  • Lots of blue-green botryoids of chrysocolla are present in the vuggy areas on the top of this piece. Very good example of this unusual habit.
ChrysocollaArizona -Planet Mine, La Paz County, Arizona
  • Item #29806
  • Chrysocolla
  • 3.4x3. 1x2.3 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Planet Mine
  • La Paz County
    Arizona, USA
  • Bright, blue botryoids of chrysocolla are present in the vug on the top of this black, gossan matrix. Looks great!
ChrysocollaArizona -Planet Mine, La Paz County, Arizona
  • Item #29803
  • Chrysocolla
  • 3.4x2.7x2.0 cm
  • Largest Crystal Size: n/a
  • $45.00
  • Planet Mine
  • La Paz County
    Arizona, USA
  • This is a very handsome, small specimen with a cavity in the front that contains a number of smooth, deep-blue chrysocolla botryoids. Very nice looking specimen!
ChrysocollaArizona -Planet Mine, La Paz County, Arizona
  • Item #29802
  • Chrysocolla
  • 7.6x6.5x4.5 cm
  • Largest Crystal Size: n/a
  • $40.00
  • Planet Mine
  • La Paz County
    Arizona, USA
  • A seam across the middle of the front of this brownish gossan matrix, shows lots of bright blue, botryoidal chrysocolla.
ChrysocollaArizona -Planet Mine, La Paz County, Arizona
  • Item #29801
  • Chrysocolla
  • 6.0x5.7x3.4 cm
  • Largest Crystal Size: n/a
  • $45.00
  • Planet Mine
  • La Paz County
    Arizona, USA
  • Two cavities on the front of this black matrix are lined with bright blue-green botryoidal chrysocolla. Looks great!
AndraditeArizona -Various Minerals
  • Item #29793
  • Andradite
  • 7.5x5.0x3.2 cm
  • Largest Crystal Size: 15mm
  • $40.00
  • Stanley Butte
  • Graham County
    Arizona, USA
  • This solid piece of andradite has its top or front totally covered with sharp, green, dodecahedra of andradite. Nice example!
AndraditeArizona -Various Minerals
  • Item #29792
  • Andradite
  • 3.5x2.5x1.8 cm
  • Largest Crystal Size: 14mm
  • $35.00
  • Stanley Butte
  • Graham County
    Arizona, USA
  • Here is a cluster of those distinctive, green dodecahedra from the famous locality at Stanley Butte. An odd, sort of slightly metallic luster to them. Sharp!
QuartzArizona -Iron Cap Mine, Aravaipa, Graham County
  • Item #29787
  • Quartz
  • 5.0x3.9x3.1 cm
  • Largest Crystal Size: 32mm
  • $40.00
  • Iron Cap Mine
  • Aravaipa, Graham County
    Arizona, USA
  • Two sceptered quartz crystals are prominent on this specimen. The crystals don't really have prism faces but, instead, stepped rhombohedral faces where the prism faces should be. They are terminated with larger faces resulting in nice scepter growth! Unusual location!
ZunyiteArizona -Big Bertha Mine, Quartzite, La Paz County,
  • Item #29780
  • Zunyite
  • 8.0x6.7x6.0 cm
  • Largest Crystal Size: 2.5mm
  • $65.00
  • Big Bertha Mine
  • Quartzite, La Paz Co.
    Arizona, USA
  • The top of this quartz matrix has a sugary-micaceous phase on it that contains nicely contrasting, beige, zunyite crystals. Nice sample of this rare silicate mineral from this interesting locality!
    DKDD
Hematite, QuartzArizona -Big Bertha Mine, Quartzite, La Paz County,
  • Item #29779
  • Hematite, Quartz
  • 6.5x5.0x5.0 cm
  • Largest Crystal Size: 9mm
  • $45.00
  • Big Bertha Mine
  • Quartzite, La Paz Co.
    Arizona, USA
  • This fragment of massive, vuggy quartz shows a razor-sharp, textbook hematite crystal in a vug at the front. The crystal is very lustrous with sharp pinacoid, rhomb and small prism faces. Super example of hematite from anywhere!!
    DKDD
Quartz, epimorphs after fluoriteArizona -Various Minerals
  • Item #29778
  • Quartz, epimorphs after fluorite
  • 13.0x6.5x6.7 cm
  • Largest Crystal Size: 10mm
  • $65.00
  • Gringo Gulch
  • Patagonia, Santa Cruz County
    Arizona, USA
  • This cabinet specimen is well endowed with white octahedrons that are hollow! They are hollow because they once were fluorite octahedra that became coated with drusy quartz crystals and then the fluorite was dissolved away. This process led to the epimorphs that we see today. Handsome, interesting piece!
VanadiniteArizona -Various Minerals
  • Item #29776
  • Vanadinite
  • 5.5x4.0x3.0 cm
  • Largest Crystal Size: 2mm
  • $40.00
  • Rowley Mine
  • Maricopa County
    Arizona, USA
  • Vanadinite s one of the lesser known and found minerals from the Rowley Mine. However, there is a vanadium-rich area where it forms nice crystals.! Here is a good, rare example.
Hematite, QuartzArizona -Big Bertha Mine, Quartzite, La Paz County,
  • Item #29775
  • Hematite, Quartz
  • 6.0x4.8x3.8 cm
  • Largest Crystal Size: 8mm
  • $35.00
  • Big Bertha Mine
  • Quartzite, La Paz Co.
    Arizona, USA
  • An 8mm, razor sharp, hematite crystal is protected in a quartz crystal cavity along with a few smaller ones. The crystal does have a crack in it but is not noticeable and is nicely all held in place.
    DKDD
VanadiniteArizona -Various Minerals
  • Item #29773
  • Vanadinite
  • 5.7x4.4x2.2 cm
  • Largest Crystal Size: 4mm
  • $45.00
  • J.C. Holmes Claim
  • Patagonia, Santa Cruz County
    Arizona, USA
  • A plate of well formed, orange vanadinite crystals. The crystals show sharp prism faces and sharp pyramid faces which is typical of this locality. Nice!
ZunyiteArizona -Big Bertha Mine, Quartzite, La Paz County,
  • Item #29772
  • Zunyite
  • 4,8x3.8x2.3 cm
  • Largest Crystal Size: 1mm
  • $40.00
  • Big Bertha Mine
  • Quartzite, La Paz Co.
    Arizona, USA
  • The front of this quartz matrix is a micaceous phase that is loaded with small, very sharp crystals of zunyite. The crystals range from colourless to light beige in colour.
    DKDD
ZunyiteArizona -Big Bertha Mine, Quartzite, La Paz County,
  • Item #29771
  • Zunyite
  • 4.3x4.1x2.5 cm
  • Largest Crystal Size: 1mm
  • $40.00
  • Big Bertha Mine
  • Quartzite, La Paz Co.
    Arizona, USA
  • Oodles of mm sized, sharp, flattened octahedra of zunyite are present on one side of this quartz matrix. The zunyite crystals are embedded in a micaceous phase in the specimen, not the quartz.
    DKDD
HemimorphiteArizona -79 Mine, Gila County
  • Item #29767
  • Hemimorphite
  • 7.5x5.5x3.6 cm
  • Largest Crystal Size: 3mm
  • $40.00
  • 79 Mine
  • Gila County
    Arizona, USA
  • Sharp, terminated, small hemimorphite crystals are arranged as a botryoidal habit in this handsome specimen. A lesser known habit from the 79 Mine.
ZunyiteArizona -Big Bertha Mine, Quartzite, La Paz County,
  • Item #29766
  • Zunyite
  • 6.55.5x5.0 cm
  • Largest Crystal Size: 1.5mm
  • $45.00
  • Big Bertha Mine
  • Quartzite, La Paz Co.
    Arizona, USA
  • A micaceous phase that runs along one side of this quartz matrix is loaded with sharp octahedral crystals of zunyite. Clear to beigey -coloured and very sharp! A rare silicate mineral!
    DKDD
PectoliteJeffrey Mine, Asbestos, Quebec, Pectolite
  • Item #29752
  • Pectolite
  • 5.4x3.7x3.5 cm
  • Largest Crystal Size: 14mm
  • $40.00
  • Jeffrey Mine
  • Val des Sources (Asbestos)
    Quebec, Canada
  • Much of this fragment of white matrix is covered by crystals of pectolite. The top, particularly has very nice, lath-like terminated crystals of pectolite.
Prehnite, GrossularJeffrey Mine, Asbestos, Quebec, Prehnite
  • Item #29751
  • Prehnite, Grossular
  • 4.3x5.4x4.0 cm
  • Largest Crystal Size: p-6mm
  • $45.00
  • Jeffrey Mine
  • Val des Sources (Asbestos)
    Quebec, Canada
  • This specimen is one series of vugs all over a matrix of prehnite and grossular. The openings are all lined with sharp 1-2mm dodecahedra of grossular and blocky, terminated prisms of prehnite. Both have a pinkish colouration. Unique and interesting!
Diopside, Albite, PrehniteJeffrey Mine, Asbestos, Quebec, Various Minerals
  • Item #29747
  • Diopside, Albite, Prehnite
  • 7.6x5.2x5.0 cm
  • Largest Crystal Size: d-5mm, al-3mm, p-5mm
  • $65.00
  • Jeffrey Mine
  • Val des Sources (Asbestos)
    Quebec, Canada
  • This top of this plate is covered with crystals. The brownish, elongated crystals are gemmy, terminated diopside crystals. The pure-white, platy crystals are albite. And the squarish, blocky white crystals are terminated, prehnite prisms.
DiopsideJeffrey Mine, Asbestos, Quebec, Various Minerals
  • Item #29746
  • Diopside
  • 10.5x5.3x3.7 cm
  • Largest Crystal Size: 5mm
  • $65.00
  • Jeffrey Mine
  • Val des Sources (Asbestos)
    Quebec, Canada
  • The vug in the top of this matrix is lined with sharp, lustrous, light green diopside crystals that have overgrown an earlier generation of creamy-pinkish diopside or prehnite. An interesting and different association!
PectoliteJeffrey Mine, Asbestos, Quebec, Pectolite
  • Item #29745
  • Pectolite
  • 2.4x1.7x2.0 cm
  • Largest Crystal Size: 19mm
  • $40.00
  • Jeffrey Mine
  • Val des Sources (Asbestos)
    Quebec, Canada
  • A thick, prismatic, very sharply chisel terminated pectolite with a couple of smaller pectolite crystals attached. Very nice pectolite!
PectoliteJeffrey Mine, Asbestos, Quebec, Pectolite
  • Item #29743
  • Pectolite
  • 2.8x2.2x2.0 cm
  • Largest Crystal Size: 27mm
  • $35.00
  • Jeffrey Mine
  • Val des Sources (Asbestos)
    Quebec, Canada
  • This specimen features a sharp, doubly terminated, prismatic pectolite crystal with a couple of smaller pectolite crystals attached.
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29738
  • Quartz, var. Chalcedony, Opal
  • 5.8x4.2x3.4 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • A really nice looking mound of botryoidal chalcedony and opal that fluoresces bright green in sw uv light. Very striking!
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29737
  • Quartz, var. Chalcedony, Opal
  • 19.3x6.5x4.4 cm
  • Largest Crystal Size: n/a
  • $45.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • Lots of botryoidal silica tops a mound of siliceous sinter and is a bright fluorescent green under sw uv light. Striking!
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29736
  • Quartz, var. Chalcedony, Opal
  • 4.1x3.4x3.0 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • A cool, little botryoidal mound of silica that has zoned, vibrant, green fluorescence in under sw uv light. Nice one!
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29735
  • Quartz, var. Chalcedony, Opal
  • 12.5x7.0x5.5 cm
  • Largest Crystal Size: n/a
  • $45.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • A mass off swirling, botryoidal chalcedony and opal where the top part of the specimen is very fluorescent while the lower part is not. Vibrant! Looks great!
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29734
  • Quartz, var. Chalcedony, Opal
  • 4.6x3.7x3.5 cm
  • Largest Crystal Size: 6mm
  • $35.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • This one is actually a big botryoid of chalcedony-opal formed on top of a spray of larger quartz crystals. The best feature though is the bright green fluorescence under SW u-v light.
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29733
  • Quartz, var. Chalcedony, Opal
  • 6.5x5.0x2.8 cm
  • Largest Crystal Size: 4mm
  • $35.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • This one is actually a plate of quartz crystal mounds with chalcedony-opal formed on parts of the quartz crystals. Interesting!
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29732
  • Quartz, var. Chalcedony, Opal
  • 5.5x5.1x2.2 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • A mound of botryoidal, white silica that fluoresces green in S-W u-v- light. Looks good in any light! :)
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29731
  • Quartz, var. Chalcedony, Opal
  • 4.3x3.7x4.1 cm
  • Largest Crystal Size: 1mm
  • $35.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • An interesting mound of white botryoids with actual, small quartz crystals on the left. Fluoresces very nicely!
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29730
  • Quartz, var. Chalcedony, Opal
  • 13.0x7.6x6.6 cm
  • Largest Crystal Size: n/a
  • $65.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • A larger specimen of silica that is fluorescent across the top of the botryoids but less so in the lower part. Striking! Displays well.
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29729
  • Quartz, var. Chalcedony, Opal
  • 12.5x6.5x4.5 cm
  • Largest Crystal Size: n/a
  • $45.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • A larger, mound of botryoidal chalcedony-opal that looks pretty good in white light but super in u/v light! Great one for a fluorescent display!
    DKDD
Quartz, var. Chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29728
  • Quartz, var. Chalcedony, Opal
  • 7.5x6.0x3.5 cm
  • Largest Crystal Size: 3mm
  • $45.00
  • Black Hills Area
  • Safford, Graham County
    Arizona, USA
  • This is probably the best looking specimen in white light! It is a couple of mounds of chalcedony-opal rimmed with small quartz crystals with a striking knob od silica on the top right that is not fluorescent. Sweet!
    DKDD
Quartz, var chalcedony, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29727
  • Quartz, var chalcedony, Opal
  • 8.4x6.8x3.5 cm
  • Largest Crystal Size: n/a
  • $40.00
  • Black Hills
  • Safford, Graham County
    Arizona, USA
  • A mound of white chalcedony and opal that fluoresces bright green in short wave light. Striking!
    DKDD
Chalcedony-OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29726
  • Chalcedony-Opal
  • 9.7x8.5x6.5 cm
  • Largest Crystal Size: n
  • $45.00
  • Black Hills
  • Safford, Graham County
    Arizona, USA
  • A couple of areas of shiny chalcedony and opal are present on the front-top of this specimen. The lighter coloured silica fluoresces while the darker coloured does not. Displays well!
    DKDD
Quartz, OpalArizona -Fluorescent Chalcedony-Opal, Black Hills, Graham County, AZ
  • Item #29725
  • Quartz, Opal
  • 11.0x7.0x7.1 cm
  • Largest Crystal Size: n/a
  • $45.00
  • Black Hills
  • Safford, Graham County
    Arizona, USA
  • A botryoidal mass of chalcedony and opal that shows excellent green fluorescence.
    DKDD
WulfeniteArizona -79 Mine, Gila County
  • Item #29722
  • Wulfenite
  • 6.1x4.5x4.2 cm
  • Largest Crystal Size: 11mm
  • $40.00
  • 79 Mine
  • Gila County
    Arizona, USA
  • An opening in this iron oxide matris shows a stunning, gossamer-yellow, "windowpane" wulfenite crystal protected up against the side of the opening. Some smaller wulfenite crystals, as well. The larger one, although missing a tiny bit of one corner, stands out because of the way it catches the light. Gorgeous!
Wulfenite, Willemite, Calcite, QuartzArizona -Red Cloud Mine, La Paz County
  • Item #29721
  • Wulfenite, Willemite, Calcite, Quartz
  • 8.5x5.5x4.3 cm
  • Largest Crystal Size: 8mm
  • $45.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • A vug in this mush of calcite, fluorite, willemite and iron oxide, contains a couple of excellent crystals of orange wulfenite. Lots of willemite in this piece, as well, so it fluoresces nicely. from the famous Red Cloud Mine!
Wulfenite, Willemite, FluoriteArizona -Red Cloud Mine, La Paz County
  • Item #29720
  • Wulfenite, Willemite, Fluorite
  • 8.0x7.5x5.0 cm
  • Largest Crystal Size: 8mm
  • $40.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • This is a pretty interesting specimen! The quartz crystal-lined cavity on the top holds a superb, elongated, orange wulfenite crystal and many sprays of colourless willemite crystals. Lots of willemite, that fluoresces a bright green, in this specimen. Looks great in white or u/v light!
Wulfenite, Willemite, Quartz, FluoriteArizona -Red Cloud Mine, La Paz County
  • Item #29719
  • Wulfenite, Willemite, Quartz, Fluorite
  • 6.2x5.3x3.8 cm
  • Largest Crystal Size: 7mm
  • $45.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • This is a very instructive specimen, as well as attractive. It is a very fresh vein sample, showing a quartz crystal lined vug in the quartz-fluorite vein matrix. In the vug is a superb, tabular, orange wulfenite crystal and willemite crystals that fluoresce a bright green. Very nice association piece!
    DKDD
Wulfenite, Calcite, WillemiteArizona -Red Cloud Mine, La Paz County
  • Item #29718
  • Wulfenite, Calcite, Willemite
  • 6.5x4.4x4.7 cm
  • Largest Crystal Size: 6mm
  • $65.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • This specimen has a vug in the front of it, lined with lustrous, orange, well formed crystals of wulfenite, associated with calcite and a few well formed, hexagonal willemite crystals. Looks great!
WulfeniteArizona -Red Cloud Mine, La Paz County
  • Item #29716
  • Wulfenite
  • 1.6x2.3x1.5 cm
  • Largest Crystal Size: 16mm
  • $150.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • A REALLY nice specimen of wulfenite, thumbnail-sized, from the world famous Red cloud Mine. The crystal is a sharp, beveled, tabular crystal with orange colour. Superb!
Wulfenite, CalciteArizona -Red Cloud Mine, La Paz County
  • Item #29713
  • Wulfenite, Calcite
  • 11.0x8.0x6.0 cm
  • Largest Crystal Size: 9mm
  • $140.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • A very nice cabinet specimen that shows orangey, lustrous wulfenite crystals scattered across the front or top, depending on how you choose to display it. AND it displays well! The wulfenite is associated with a druse of tiny, sparkling calcite crystals. Partly sawn on back.
    Beautiful!
Mimetite, Baryte, QuartzArizona -Various Minerals
  • Item #29712
  • Mimetite, Baryte, Quartz
  • 6.5x5.3x7.5 cm
  • Largest Crystal Size: 2mm balls
  • $65.00
  • Rowley Mine
  • Maricopa County
    Arizona, USA
  • This fragment of vein matrix has an open space on the top, filled with white baryte crystals that are largely covered with tiny, sugary quartz crystals. But interestingly, the baryte-quartz crystals are sprinkled with spheres of orange mimetite. Striking, really!
Wulfenite, WillemiteArizona -Red Cloud Mine, La Paz County
  • Item #29711
  • Wulfenite, Willemite
  • 7.4x4.2x4.0 cm
  • Largest Crystal Size: 8mm
  • $40.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • Lots of lustrous, orange, tabular wulfenite crystals on this specimen, top and bottom. Associated with spiky, small willemite crystals. Fluoresces a yellow-green colour.
WulfeniteArizona -Red Cloud Mine, La Paz County
  • Item #29710
  • Wulfenite
  • 6.3x2.8x1.8 cm
  • Largest Crystal Size: 9mm
  • $35.00
  • Red Cloud Mine
  • La Paz County
    Arizona, USA
  • A 9mm, lustrous red-orange wulfenite on fluorite-iron oxide matrix, associated with a number of smaller crystals. From one of the the famous wulfenite locations, in the world.
    DKDD