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 19% or multiply by 0.81.

 

MicroclineGrenville Minerals, Various Localities, Page Two
  • Item #22127
  • Microcline
  • 10.5x6.0x7.0 cm
  • Largest Crystal Size: 81mm
  • $75.00
  • Liscombe Property
  • Wilberforce
    Ontario, Canada
  • A very sharp crystal of microcline on massive granitic rock. This came from the wall rock contact of a calcite vein-dyke. Displays extremely well!
FluororichteriteGrenville Minerals, Various Localities, Page Two
  • Item #22126
  • Fluororichterite
  • 9.8x5.5x8.2 cm
  • Largest Crystal Size: 28mm
  • $86.00
  • Hunter Property
  • Tory Hill
    Ontario, Canada
  • The front of this matrix is covered with very sharp, extremely dark green-black fluororichterite crystals. Tabular to short-prismatic with high luster. Displays perfectly.
SphaleriteSouth Ontario Limestone Quarries, Sphalerite, Page Two
  • Item #22124
  • Sphalerite
  • 10.5x7.5x7.6 cm
  • Largest Crystal Size: 13mm
  • $65.00
  • Lafarge Quarry
  • Wentworth County
    Ontario, Canada
  • The front and part of the back of this partial stromatolite fossil is largely covered with complexly twinned, lustrous brownish sphalerite crystals. Stands perfectly for display!
MagnetiteGrenville Minerals, Various Localities
  • Item #22123
  • Magnetite
  • 9.5x5.8x3.0 cm
  • Largest Crystal Size: 21mm
  • $40.00
  • Princess Sodalite Mine
  • Bancroft
    Ontario, Canada
  • This is a solid piece of magnetite with a little nepheline syenite on the back. There is one good crystal of magnetite, an octahedron, on the right side. Not a spectacular piece but a very good locality-piece from this famous old place!
UviteGrenville Minerals, Various Localities
  • Item #22122
  • Uvite
  • 8.3x5.4x4.6 cm
  • Largest Crystal Size: 37mm
  • $45.00
  • Power's Farm
  • Pierrepont
    New York, USA
  • One really nice, pitch-black, sharp, hemimorphic, tabular uvite crystal perched atop a matrix of massive uvite. Displays well.Excellent!
Fluorite, BaryteFluorite, Various Localities
  • Item #22119
  • Fluorite, Baryte
  • 9.3x5.5x5.8 cm
  • Largest Crystal Size: 21mm
  • $110.00
  • Madoc
    Canada
  • A really great looking fluorite and baryte specimen from Madoc, the old fluorite-mining town in Southern Ontario. The matrix is all baryte that presents itself as "crested" baryte where it is not covered by fluorite crystals. The fluorite crystals are all light green, cube-octahedra, very well formed and in great shape! Displays very well!
Orthoclase, ps. ScapoliteGrenville Minerals, Various Localities
  • Item #22118
  • Orthoclase, ps. Scapolite
  • 7.1x7.7x6.4 cm
  • Largest Crystal Size: 38mm
  • $65.00
  • Griffith

  • Ontario, Canada
  • A cluster of very scapolite-looking crystals that are actually orthoclase pseudomorphs after scapolite. Even the stria are faithfully preserved. Displays very well!
AndraditeTreasures, Odds and Sods, Various Localities, Page Two
  • Item #22117
  • Andradite
  • 6.5x5.5x5.3 cm
  • Largest Crystal Size: 5mm
  • $86.00
  • Stanley Butte

  • Arizona, USA
  • A great-looking excellent specimen of sharp, dodecahedral andradite crystals on massive andradite. This is a classic Arizona locality for andradite and has that characteristic greenish colour that we see on these specimens. Sits perfectly for display. The back is covered with crystals, too!
Vanadinite, var. EndlichiteMexico, Various Minerals and Localities
  • Item #22113
  • Vanadinite, var. Endlichite
  • 13.0x6.4x3.5 cm
  • Largest Crystal Size: 3mm
  • $65.00
  • Erupcion Mine
  • Los Lamentos, Ahumada, Chihuahua
    Mexico
  • This matrix of undulating, colourless calcite crystals is almost totally covered with brown, pointy vanadinite crystals. It is the arsenic-rich variety termed endlichite. Some bruising but lots of great crystals! Lots! Sits perfectly for display.
Galena, Quartz, Tetrahedrite, ChalcopyriteSulphides, Arsenides, etc. Miscellaneous, Page Four
  • Item #22112
  • Galena, Quartz, Tetrahedrite, Chalcopyrite
  • 12.1x5.4x3.2 cm
  • Largest Crystal Size: g-9mm, t-8mm, ch-6mm
  • $60.00
  • Sweet Home Mine
  • Alma
    Colorado, USA
  • Okay! Full disclosure! This is NOT a perfect specimen. There is a fair bit of bruising on some of the crystals but there are also lots of great crystals of the sulphides and quartz on this specimen. Some bits of rhodochrosite but no whole crystals. Nice locality piece with a reasonable price!
Duftite, CalciteTsumeb, Namibia, Calcite
  • Item #22111
  • Duftite, Calcite
  • 14.3x6.6x3.8 cm
  • Largest Crystal Size: c-12mm, d-micro
  • $140.00
  • Tsumeb Mine
  • Tsumeb
    Namibia
  • A very aesthetic multi-clustered cluster of sharp, simple calcite rhombohedra totally covered with micro duftite. It is a great looking piece with only a couple of tiny bruises. Sits perfectly for display.
DescloiziteSecondary Minerals, Various Locations
  • Item #22110
  • Descloizite
  • 9.4x7.4x4.5 cm
  • Largest Crystal Size: 11mm
  • $120.00
  • Berg Aukas
  • Grootfontein
    Namibia
  • Sparkling, lustrous crystals of resinous, brown descloizite totally line two concave areas on the top of this matrix of mostly interlocked descloizite crystals. Lots of small crystals on the bottom, as well. Looks great!
DescloiziteSecondary Minerals, Various Locations
  • Item #22109
  • Descloizite
  • 9.7x6.1x4.2 cm
  • Largest Crystal Size: 10mm
  • $120.00
  • Berg Aukas
  • Grootfontein
    Namibia
  • A gorgeous cluster of this beautiful lead-zinc vanadinate. It is composed of lustrous, brown, pointy crystals all over the top of this specimen which is mostly composed of interlocking descloizite with just a little iron oxide. Excellent!
Danburite, CalciteMexico, Various Minerals and Localities
  • Item #22108
  • Danburite, Calcite
  • 14.1x5.4x4.0 cm
  • Largest Crystal Size: as above
  • $140.00
  • Charcas
  • San Luis Potosi
    Mexico
  • Wow! A VERY large, singly terminated danburite crystal from the place that produces some of the best and biggest crystals! This crystal has a perfect termination with interesting facets. The "front" is nicely striated, lustrous crystal faces and the "back" is totally covered with hexagonal, tabular calcite crystals. Excellent example of this mineral!
ElpiditeMont Saint-Hilaire, Elpidite
  • Item #22107
  • Elpidite
  • 14.1x5.1x5.4 cm
  • Largest Crystal Size: 140mm
  • $160.00
  • Mont Saint-Hilaire

  • Quebec, Canada
  • A solid aggregate of elpidite crystals arranged in a tight divergent grouping of gray crystals. Some tiny pyrite crystals here and there. HUGE, special specimen of this sodium-zircon silicate. They do not come around like this very often!
Antiperthite, Orthoclase in Plagioclase, SodaliteGrenville Minerals, Various Localities, Page Two
  • Item #22106
  • Antiperthite, Orthoclase in Plagioclase, Sodalite
  • 15.8x8.8x7.3 cm
  • Largest Crystal Size: 42mm
  • $85.00
  • Davis Hill
  • Bancroft
    Ontario, Canada
  • Crystals of this unusual feldspar from the famous locality of David Hill. The antiperthite crystals cover the top of nepheline syenite which, in this case is largely composed of sodalite and nepheline. Excellent! Displays well, too!
NephelineGrenville Minerals, Various Localities, Page Two
  • Item #22105
  • Nepheline
  • 13.5x10.0x7.3 cm
  • Largest Crystal Size: 45mm
  • $120.00
  • Davis Hill
  • Bancroft
    Ontario, Canada
  • This fragment of massive nepheline syenite has one side covered with crystals of nepheline. The crystals are hexagonal prisms with pinacoidal terminations. This is the classic nepheline occurrence in the Grenville Geological Province.
Ferberite, ArsenopyriteBolivian Minerals, Various
  • Item #22099
  • Ferberite, Arsenopyrite
  • 9.0x5.1x4.5 cm
  • Largest Crystal Size: 22mm
  • $140.00
  • Tanza Mine
  • Atocha-Quechisla, Potosi
    Bolivia
  • Wow! THIS is a nice specimen! It appears to have come from a brecciated zone and this piece of breccia has a number of very dark-brown, almost black ferberite crystals on it. The matrix appears to be arsenopyrite and there are also some arsenopyrite crystals covering the matrix. Very nice! r
Tetrahedrite, ChalcopyritePeru, Casapalca Mine
  • Item #22098
  • Tetrahedrite, Chalcopyrite
  • 9.8x7.5x2.4 cm
  • Largest Crystal Size: 22mm
  • $160.00
  • Casapalca Mine
  • Huarochiri, Lima
    Peru
  • A thick plate of large, well formed tetrahedrite, many with a veneer of oriented, tiny chalcopyrite crystals on them. Displays very well. Impressive, excellent specimen! r
TetrahedritePeru, Casapalca Mine
  • Item #22097
  • Tetrahedrite
  • 9.0x8.4x4.3 cm
  • Largest Crystal Size: 23mm
  • $140.00
  • Casapalca Mine
  • Casapalca
    Huarochiri, Lima, Peru
  • A plate of large, well formed, modified tetrahedra of tetrahedrite (wonder how it got its name!?). There are small, calcite crystals draped over the tetrahedrite crystals in some places. As well, some of the tetrahedrite crystals have a thin veneer of tiny chalcopyrite crystals on them. Really nice piece from one of the classic localities! r
Enargite, BarytePeru -Quiruvilca Mine
  • Item #22096
  • Enargite, Baryte
  • 10.0x6.0x4.2 cm
  • Largest Crystal Size: 12mm
  • $140.00
  • Quiruvilca Mine
  • Santiago de Chuco, La Libertad
    Peru
  • The Quiruvilca Mine is one of the primo localities for enargite, in the world. Here is an excellent specimen showing sharp enargite crystals associated with white baryte crystals. r
EnargitePeru, Various Minerals and Localities
  • Item #22095
  • Enargite
  • 7.2x4.4x3.3 cm
  • Largest Crystal Size: 12mm
  • $120.00
  • Julcani Mine
  • Huancavelica
    Peru
  • A really nice specimen of sharp, prismatic enargite crystals, associated with a few quartz crystals. The enargite crystals have an oriented overgrowth of chalcopyrite on the prism faces. One of the great localities! Looks great. r
DanburiteMexico, Various Minerals and Localities
  • Item #22093
  • Danburite
  • 8.8x4.7x2.4 cm
  • Largest Crystal Size: as above
  • $140.00
  • Charcas
  • San Luis Potosi
    Mexico
  • A VERY large crystal of danburite, that is just danburite - beautiful single, well terminated crystal. Wow! Excellent example of this mineral! r
DanburiteMexico, Various Minerals and Localities
  • Item #22092
  • Danburite
  • 7.9x4.5x2.8 cm
  • Largest Crystal Size: 79mm
  • $85.00
  • Charcas
  • San Luis Potosi
    Mexico
  • Several, elongate, prismatic, white-colourless, partially gemmy danburite crystals form one of the best localities. Well terminated, sharp cluster! r
ParavauxiteBolivian Minerals, Various
  • Item #22090
  • Paravauxite
  • 5.7x3.5x1.4 cm
  • Largest Crystal Size: 5mm
  • $40.00
  • Llallagua
  • Potosi
    Bolivia
  • Here is a mineral that we normally only see from Bolivia, in particular from the Potosi state. Nice crystals of this relatively rare mineral on this piece! r
Quartz, SphaleritePeru, Various Minerals and Localities
  • Item #22089
  • Quartz, Sphalerite
  • 10.2x7.3x4.2 cm
  • Largest Crystal Size: qu 2mm, sp 25mm
  • $65.00
  • Huaron Mine
  • Huayllay
    Pasco, Peru
  • Sweet-looking, very lustrous dark-brown sphalerite crystals partially covered by sparkling crystals of white-colourless quartz crystals. Looks great! r
Rhodochrosite, QuartzPeru, Casapalca Mine
  • Item #22082
  • Rhodochrosite, Quartz
  • 10.2x8.5x6.6 cm
  • Largest Crystal Size: Rh 1mm, Qu 18mm
  • $120.00
  • Casapalca Mine
  • Huarochiri, Lima
    Peru
  • A mound of small, pink, rhodocrosite crystals formed between, white, milky quartz crystals. Really presents and displays well due to the full coverage and aesthetic contrast! r
AnalcimeTreasures, Odds and Sods, Various Localities, Page Three
  • Item #22081
  • Analcime
  • 9.5x8.6x7.1 cm
  • Largest Crystal Size: as above
  • $140.00
  • Tunguska
  • Ozernoye
    Siberia
  • A huge analcime crystal! This piece shows an very well formed, pure white analcime crystal with a minimum of matrix. r
Quartz var. Herkimer DiamondQuartz -Various Locations
  • Item #22077
  • Quartz var. Herkimer Diamond
  • 12.5x12.2x8.9 cm
  • Largest Crystal Size: 120mm
  • $225.00
  • Middleville
    New York, USA
  • A MONSTER Herkimer Diamond! This very large example of this unique type of quartz crystal is very nice with very lustrous faces and no damage. The smaller crystalshave been replaced back onto the main crystal, as is often the case with these clusters. Still, it is the way they formed! As is typical, it has some internal fracturing and black hydrocarbon inclusions which is pretty normal for these crystals. Quite something! Shows well! R
ProbertiteRare Minerals
  • Item #22075
  • Probertite
  • 6.0x4.5x2.6 cm
  • Largest Crystal Size: 25mm
  • $75.00
  • Boron
    California, USA
  • Well, there is lots of probertite in the world but not too many of this calibre. Radiating, white acicular crystals. The specimen is mostly composed of probertite, as far as I can see! Nice! r
DiopsideJeffrey Mine, Asbestos, Quebec, Various Minerals
  • Item #22069
  • Diopside
  • 8.8x3.6x2.5 cm
  • Largest Crystal Size: 2mm
  • $65.00
  • Jeffrey Mine
  • Asbestos
    Quebec, Canada
  • An interesting specimen of small, lustrous, bladed, clear diopside crystals on a white matrix. Different! r
SilverCobalt/Gowganda Area, Ontario -Glacial Float Silver Specimens
  • Item #22062
  • Silver
  • 2.2x2.4x1.6 cm
  • Largest Crystal Size: as above
  • $35.00
  • Nipissing Mine
  • Cobalt
    Ontario, Canada
  • A small, spongy mass of silver that has had the carbonates naturally etched away over thousands of years. Excellent! r
KulaniteYukon Phosphates, Kulanite
  • Item #22060
  • Kulanite
  • 5.7x4.9x2.8 cm
  • Largest Crystal Size: 3mm
  • $110.00
  • Rapid Creek

  • Yukon, Canada
  • Pretty darn nice specimen of this rare phosphate. The top of this thick plate is covered with 3-4mm or so crystals of kulanite in extremely dark green, almost black crystals. a little bruising but many excellent crystals! r
DiopsideJeffrey Mine, Asbestos, Quebec, Various Minerals
  • Item #22059
  • Diopside
  • 6.5x4.1x3.2 cm
  • Largest Crystal Size: 10mm
  • $65.00
  • Jeffrey Mine
  • Asbestos
    Quebec, Canada
  • An excellent cluster of slightly divergent, terminated, light green diopside crystals from this famous locality. Shows very well. r
SilverCobalt/Gowganda Area, Ontario -Glacial Float Silver Specimens
  • Item #22057
  • Silver
  • 4.1x2.5x2.5 cm
  • Largest Crystal Size: as above
  • $55.00
  • Nipissing Mine
  • Cobalt
    Ontario, Canada
  • Spongy silver that has had the carbonate leached away naturally by groundwaters over thousands of years. Nice! r
Stibarsen, ArsenicEngineer Mine, Atlin, British Columbia, Stibarsen-Arsenic
  • Item #22056
  • Stibarsen, Arsenic
  • 5.3x2.6x3.5 cm
  • Largest Crystal Size: 38mm
  • $75.00
  • Engineer Mine
  • Tagish Lake, nr. Atlin
    British Columbia, Canada
  • This specimen shows silvery stibarsen on black native arsenic both of which are on white quartz. The stibarsen is the conchoidal phase of the botryoidal crystallization. Classic Engineer Mine! r
WhiteiteYukon Phosphates, Whiteite
  • Item #22055
  • Whiteite
  • 4.6x2.9x2.0 cm
  • Largest Crystal Size: 12mm
  • $75.00
  • Rapid Creek
    Yukon, Canada
  • A pretty nice whiteite crystal on matrix with quartz crystals and smaller lazlite crystals. Nice crystal of this unusual phosphate mineral! r
SilverCobalt/Gowganda Area, Ontario -Glacial Float Silver Specimens
  • Item #22054
  • Silver
  • 8.1x4.3x5.8 cm
  • Largest Crystal Size: n/a
  • $120.00
  • Nipissing Mine
  • Cobalt
    Ontario, Canada
  • A large mass of spongy native silver. For some reason, the Nipissing Mine had a lot of spongy silver strewn about the surface, near the veins. The silver was probably removed from the veins by gravity and ice over the millennia and the carbonates and much of the arsenides naturally etched away to reveal the silver. Impressive! r
XonoliteRare Minerals
  • Item #22048
  • Xonolite
  • 6.8x6.0x2.8 cm
  • Largest Crystal Size: 10mm`
  • $45.00
  • N'Chwaning Mine
  • Kuruman
    South Africa
  • Here is an interesting accessory mineral from this famous manganese mining field. Pure-white aggregates of silky xonotlite crystals crammed into vein-lets and interstices in this piece. Excellent example of this unusual mineral! r
BismuthBismuth, Wolfram Camp, Queensland, Australia
  • Item #22047
  • Bismuth
  • 6.6x7.9x5.0 cm
  • Largest Crystal Size: as above
  • $650.00
  • Queensland
  • Wolfram Camp
    Australia
  • A wonderful specimen of native bismuth that can look, at first glance, like a large crystal of native bismuth. Upon closer examination, though, the "faces" are merely sharp impressions of quartz crystals that the bismuth formed against. A little wolframite present, as well! Looks great! r
BismuthBismuth, Wolfram Camp, Queensland, Australia
  • Item #22046
  • Bismuth
  • 7.2x5.0x5.4 cm
  • Largest Crystal Size: as above
  • $450.00
  • Queensland
  • Wolfram Camp
    Australia
  • A splendid example of native bismuth that has been contacted on all sides by quartz crystals, with imprints of those quartz crystals in the bismuth as witness. Very dense! Really great looking specimen! r
BismuthBismuth, Wolfram Camp, Queensland, Australia
  • Item #22045
  • Bismuth
  • 10.4x7.2x3.3 cm
  • Largest Crystal Size: as above
  • $1,250.00
  • Queensland
  • Wolfram Camp
    Australia
  • A very large chunk of solid native bismuth bearing the imprints of many quartz crystals prism and termination faces. It shows the typical grey-metallic colour and lustre of the external facets of a specimen from this famous locality. In places, you can see flashes of brilliant bismuth cleavage, especially on one side. Old, unknown catalogue number affixed to it. Dense! Wow! We do NOT see them like this very often! r
AllaniteGrenville Minerals, Various Localities
  • Item #22042
  • Allanite
  • 3.2x3.3x2.4 cm
  • Largest Crystal Size: 20mm
  • $40.00
  • Olden Township
    Ontario, Canada
  • This specimen is an intergrowth of two pitch-black allanite crystals with some alteration. The crystals are the typical Olden Township, thick bladed, beveled tabular crystals. Good example! R
CorundumTreasures, Odds and Sods, Various Localities, Page Three
  • Item #22041
  • Corundum
  • 9.4x9.5x6.0 cm
  • Largest Crystal Size: 15mm
  • $180.00
  • Mogok
    Myanmar
  • Sharp, reddish crystals of corundum, var ruby, are exposed throughout this rock matrix. The crystals are simple hexagonal prisms. Displays well! R
BismuthBismuth, Wolfram Camp, Queensland, Australia
  • Item #22040
  • Bismuth
  • 6.9x4.6x4.4 cm
  • Largest Crystal Size: as above
  • $345.00
  • Queensland
  • Wolfram Camp
    Australia
  • A large piece of native bismuth from one of the most famous localities in the world for this mineral. It is mostly native bismuth with a little quartz embedded in it. The quartz fragments are actually piece of quartz crystal with the rest of the exterior marked by the impressions of other quartz crystals that were once in contact with it. In other words the quartz crystals formed and the bismuth crystallized in between and on the quartz crystals. R
DraviteTreasures, Odds and Sods, Various Localities
  • Item #22039
  • Dravite
  • 7.6x6.2x7.0 cm
  • Largest Crystal Size: as above
  • $140.00
  • West Australia
  • Kununurra
    Australia
  • A monster, doubly terminated dravite crystal from this famous occurrence. The crystal is well formed, not perfect but has excellent lustre and dark brown colour. Well, I've seen bigger from this locality but it IS a pretty cool crystal. Wow! R
ErythriteSecondary Minerals, Various Locations, Page Two
  • Item #22038
  • Erythrite
  • 13.1x8.2x4.5 cm
  • Largest Crystal Size: 3mm
  • $140.00
  • Mt. Cobalt
  • Cloncurry
    Australia
  • This is the richest specimen of erythrite that I have handled. The top of this piece is a thick layer/vein of pink-red acicular/fibrous erythrite crystals. From a famous cobalr-rich mineral system. Looks spectacular. R
ScheeliteCanadian Specimens, Various Localities
  • Item #22033
  • Scheelite
  • 7.4x5.2x2.2 cm
  • Largest Crystal Size: n/a
  • $45.00
  • Kawashegamuck Lake
  • Dryden Area
    Ontario, Canada
  • Very nice, fluorescent (of course) scheelite, in quartz matrix from this remote place. From an old collection.
ArsenopyriteGrenville Minerals, Various Localities, Page Two
  • Item #22030
  • Arsenopyrite
  • 4.4x3.5x3.3 cm
  • Largest Crystal Size: 10mm
  • $45.00
  • Deloro
    Ontario, Canada
  • Brilliant crystals of arsenopyrite are exposed in this quartz-feldspar-mica matrix. Two of the crystals are well formed, cyclic twins! Really good examples of this type of twinning.
Baryte, CalciteGrenville Minerals, Various Localities, Page Two
  • Item #22024
  • Baryte, Calcite
  • 5.3x3.8x2.7 cm
  • Largest Crystal Size: 11mm
  • $40.00
  • Crawford Farm
  • Sharbot Lake
    Ontario, Canada
  • Sharp, white, thin bladed white baryte crystals mostly cover calcite matrix in a pleasing, curved manner. Old-timer.
Celestine, CalciteSouth Ontario Limestone Quarries, Celestine
  • Item #22021
  • Celestine, Calcite
  • 5.3x5.0x1.8 cm
  • Largest Crystal Size: as above
  • $45.00
  • Lafarge Quarry
  • Wentworth County
    Ontario, Canada
  • A very nice singly terminated celestine crystal. The crystal is a sort of composite crystal composed of parallel crystals that has tiny composite terminations that compose a feathery looking white termination. The back of the crystal is totally covered with 1-2mm calcite crystals. Nice!
DraviteGrenville Minerals, Various Localities, Page Two
  • Item #22020
  • Dravite
  • 5.9x4.2x3.4 cm
  • Largest Crystal Size: 20mm
  • $35.00
  • Canada Talc Mine
  • Madoc
    Ontario, Canada
  • Dark-brown, glassy, hexagonal dravite crystals are embedded in this lighter-brown mica schist matrix. The dravite crystals are sharp and one is curved and distorted in an interesting way. Classic Madoc!
CalciteCalcite, Inverhuron, Bruce Co., Ontario
  • Item #22018
  • Calcite
  • 7.8x5.0x3.8 cm
  • Largest Crystal Size: 19mm
  • $40.00
  • Inverhuron

  • Ontario, Canada
  • This limestone matrix is totally covered with 1-2mm sparkling calcite crystals with one larger, twinned, doubly terminated crystal. The larger crystal has excellent lustre and the slight hoppering typical of this occurrence. Looks great!
Lollingite, QuartzCobalt/Gowganda, Ontario -Various Species
  • Item #22017
  • Lollingite, Quartz
  • 3.4x3.6x4.6 cm
  • Largest Crystal Size: 2mm
  • $40.00
  • O'Brien Mine
  • Cobalt
    Ontario, Canada
  • The top of this rock matrix is covered with a botryoidal arsenide, possibly lollingite or safflorite that is in turn, thickly sprinkled with 1-2mm lollingite crystals. Interesting AND looks good!
MarialiteGrenville Minerals, Various Localities
  • Item #22016
  • Marialite
  • 6.3x4.3x4.0 cm
  • Largest Crystal Size: as above
  • $45.00
  • Minden
    Ontario, Canada
  • This specimen is mostly one larger crystal with a small group attached to the side. The crystals show the classic, silky-woody look bounded by sharp faces and an excellent termination. Interestingly, there is a thick black film on parts of the crystals that have been partially altered to allanite. There are also a couple of mm sized sharp cube octahedra of pyrite on the terminations of the scapolite crystal. Nice Grenville specimen!
Quartz, Dolomite, Calcite, MarcasiteQuartz -Various Locations
  • Item #22015
  • Quartz, Dolomite, Calcite, Marcasite
  • 7.8x5.0x4.5 cm
  • Largest Crystal Size: q-18mm
  • $45.00
  • Grant Quarry
  • Greely
    Ontario, Canada
  • The front of this limestone matrix is covered with smokey quartz crystals, small dolomite rhombs and smaller calcite and marcasite crystals between the quartz crystals. All of the quartz crystals are nicely zoned. Good looking specimen!
QuartzQuartz -Various Locations
  • Item #22014
  • Quartz
  • 8.8x7.5x6.4 cm
  • Largest Crystal Size: 53mm
  • $85.00
  • Lansdowne Township

  • Ontario, Canada
  • These very unusual quartz crystals came from a Road cut many years ago. They have an unusual skeletal form with deep notches and smaller parallel forms in the notches. Pure white with very sharp faces. Unique!
BaryteCanadian Specimens, Various Localities
  • Item #22011
  • Baryte
  • 3.7x3.1x2.1 cm
  • Largest Crystal Size: as above
  • $40.00
  • Rock Candy Mine
  • Grand Forks
    British Columbia, Canada
  • A simple specimen of a thick, tabular crystal of baryte, with a couple of smaller ones attached to one end. One side is highly lustrous and gemmy, while the other is slightly frosted. Very nice specimen from this long-closed fluorite mine.
Quartz, EpidoteCanadian Specimens, Various Localities
  • Item #22010
  • Quartz, Epidote
  • 8.3x6.2x3.7 cm
  • Largest Crystal Size: q-32mm, e-10mm
  • $65.00
  • Agassiz
    British Columbia, Canada
  • a plate of well terminated, striated quartz crystals garnished with divergent sprays of green epidote. Displays very well!
SvabiteRare Minerals
  • Item #22008
  • Svabite
  • 4.0x4.8x4.5 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Langban

  • Sweden
  • An excellent example of this unusual calcium fluoro-arsenate.
GypsumCanadian Specimens, Various Localities
  • Item #22004
  • Gypsum
  • 7.3x1.5x0.5 cm
  • Largest Crystal Size: as above
  • $35.00
  • Morden

  • Manitoba, Canada
  • This is different! A nice "fishtail" twin of gypsum, showing phantom growths along its length. Excellent specimen from an unusual location.
DolomiteCanadian Specimens, Various Localities
  • Item #22003
  • Dolomite
  • 5.0x4.3x3.2 cm
  • Largest Crystal Size: 13mm
  • $55.00
  • Rabbit Lake Mine
  • Wollaston Lake
    Saskatchewan, Canada
  • How often do you see mineral specimens from Saskatchewan!? This cluster of razor sharp ferroan dolomite crystals comes from the large Rabbit Lake Uranium Mine. Some small quart crystals associated. Crystals on the bottom of the specimen, as well. Looks great!
Cordierite, ChalcopyriteRocks and Ores, Sulphide Ores, Various Localities
  • Item #22002
  • Cordierite, Chalcopyrite
  • 4.7x4.4x2.2 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Ruttan Mine
  • Leaf Rapids
    Manitoba, Canada
  • This specimen is composed of, mostly, light bluish to colourless cordierite crystal sections embedded in golden, massive chalcopyrite. Very interesting association!
AlmandineCanadian Specimens, Various Localities
  • Item #22001
  • Almandine
  • 4.7x3.6x4.3 cm
  • Largest Crystal Size: as above
  • $40.00
  • Chisel Lake Mine
  • Snow Lake
    Ontario, Canada
  • A larger, single dodecahedron of almandine, with bits of mica/chlorite schist attached, from this copper/zinc mine. The Snow lake area is famous for its metamorphic mineral assemblage and this is a good example.
Calcite, BaryteSouth Ontario Limestone Quarries, Various Minerals
  • Item #22000
  • Calcite, Baryte
  • 8,6x7.0x3.2 cm
  • Largest Crystal Size: 38mm
  • $65.00
  • MacGregor Quarry
  • Amhearstburg
    Ontario, Canada
  • This specimen is a plate/cluster of calcite crystals showing scalenohedral habit. The crystals are white/creamy in the middle of the crystals and trend to gemmy orange closer to the termination. The calcite cryastals have a dusting of tiny groups of white, bladed, baryte crystals on their upper surfaces. Nice!
Fergusonite-(Y)Grenville Minerals, Various Localities
  • Item #21999
  • Fergusonite-(Y)
  • 8.2x4.2x2.8 cm
  • Largest Crystal Size: 11mm
  • $65.00
  • J. Gole Quarry
  • Madawaska
    Ontario, Canada
  • A couple of crystals of this yttrium mineral are exposed at one end of a mica/quartz matrix. One of the crystals, a sharp, tapering prism protrudes out of the quartz. It is missing a little of the termination but is otherwise a fine example. There is a fully terminated fergusonite crystal embedded in the quartz as you can see in the close-up photo. Very good example!
CelestineSouth Ontario Limestone Quarries, Celestine
  • Item #21998
  • Celestine
  • 6.1x4.8x4.3 cm
  • Largest Crystal Size: 15mm
  • $65.00
  • Amherstburg
    Ontario, Canada
  • The top/front of this limestone matrix is largely covered with white-feathery-terminated, light blue, bladed celestine crystals. Stands just like in the picture for display.
Calcite, MarcasiteCalcite   Various Localities
  • Item #21997
  • Calcite, Marcasite
  • 6.3x5.1x4.0 cm
  • Largest Crystal Size: as above
  • $65.00
  • Lynx Mine
  • Parham
    Ontario, Canada
  • A beautiful, sharp blocky crystal of calcite, largely covered with tiny marcasite crystals as is typically the case at this long-closed mine. Some of the faces have no marcasite but the tiny crystals seem to give the calcite crystal a wonderful, three-D visual. As well , there are some droplets of hydrocarbon in a couple of places on the crystal, which is also characteristic of this locality. Handsome piece that displays well!
Calcite, HematiteCalcite   Various Localities
  • Item #21996
  • Calcite, Hematite
  • 4.6x3.8x3.3 cm
  • Largest Crystal Size: as above
  • $35.00
  • Verona
    Ontario, Canada
  • Here is a blocky, sharp calcite crystal from an unusual locality, a quarry near Verona, Ontario. Lustrous faces with sharp, hexagonal crystals partly covering the crystal, as you can see. Nice!
Brewsterite, BaryteRare Minerals
  • Item #21992
  • Brewsterite, Baryte
  • 3.5x3.4x2.2 cm
  • Largest Crystal Size: 2mm
  • $35.00
  • Strontian
  • Argyllshire
    Scotland
  • This thick plate has its top covered with white crested baryte crystals which have a generous sprinkling of sharp brewsterite crystals. There is sphalerite or wurtzite embedded in the matrix. From the type locality!
TellurobismuthiteRare Minerals
  • Item #21991
  • Tellurobismuthite
  • 5.6x5.1x3.5 cm
  • Largest Crystal Size: 2mm cleavage
  • $45.00
  • Fyresdal

  • Norway
  • Lots of bright, lustrous cleavages of this unusual telluride scattered throughout this quartz matrix. Rich!
BabingtoniteTreasures, Odds and Sods, Various Localities
  • Item #21989
  • Babingtonite
  • 5.0x3.0x2.3 cm
  • Largest Crystal Size: 3mm
  • $75.00
  • Arendal

  • Norway
  • This piece is morly babingtonite that has a number of cavities lined with beautiful, sharp, black babingtonite crystals. Nice!
StanniteRocks and Ores, Sulphide Ores, Various Localities
  • Item #21988
  • Stannite
  • 6.7x5.0x3.0 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Regua
  • Tras-os-Montes
    Portugal
  • An interesting occurence. Stannite in massive, pure white quartz from Portugal. The stannite has that peculiar greenish-metallic cast characteristic of stannite.
ArrojaditeRare Minerals
  • Item #21979
  • Arrojadite
  • 8.0x5.9x1.1 cm
  • Largest Crystal Size: 4mm
  • $110.00
  • Rapid Creek

  • Yukon, Canada
  • A plate of crystals of both quartz and arrojadite. The arrojadite crystals are sharp, well formed crystals that cover 40-50% of the top of this plate with quartz crystals covering the rest. Nice!
Leadhillite, Linarite, CerussiteSecondary Minerals, Various Locations, Page Two
  • Item #21978
  • Leadhillite, Linarite, Cerussite
  • 3.3x3.1x2.6 cm
  • Largest Crystal Size: micro
  • $75.00
  • Beaver Claim
  • Slocan
    British Columbia, Canada
  • A very nice leadhillite crystal sits amongst linarite and cerussite crystals in this gossan matrix. The leadhillite crystal is a nice one, albeit small. Great association piece from an unusual location.
NesquehoniteRare Minerals
  • Item #21977
  • Nesquehonite
  • 6.7x6.1x1.6 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Ferrieres
  • Tarn
    France
  • Rounded aggregates of this mineral look to be efflorescing out of a sedimentary matrix. Fluoresces a yellow-green colour!
TugtupiteRare Minerals
  • Item #21976
  • Tugtupite
  • 5.7x4.0x3.5 cm
  • Largest Crystal Size: 5mm
  • $75.00
  • Kvanefjeld
  • Ilimaussaq
    Greenland
  • Patches of pinkish tugtupite are scattered throughout the entire volume of this matrix. The tugtupite fluoresces a nice orange-pink colour as you can see from the pics. Very good example!
OliveniteSecondary Minerals, Various Locations, Page Two
  • Item #21974
  • Olivenite
  • 4.3x4.5x3.6 cm
  • Largest Crystal Size: 1.5mm
  • $65.00
  • Wheal Gorland
  • St. Day, Cornwall
    England
  • A vug at the front of this quartz matrix is totally lined with deep, forest green olivenite crystals. Actually, there are a number of other smaller openings, as well, in the quartz, with olivenite crystals. Classic locality!
Quartz, var. AgateCanadian Specimens, Various Localities
  • Item #21970
  • Quartz, var. Agate
  • 7.2x3.5x4.4 cm
  • Largest Crystal Size: n/a
  • $40.00
  • Agate Mine
  • Thunder Bay
    Ontario, Canada
  • Nice pattern of banded agate in this specimen. Cut and polished on one side. We don't have much of this type of mineral formation in Ontario but here is a nice one!
Brookite, Quartz, AdulariaTreasures, Odds and Sods, Various Localities, Page Three
  • Item #21968
  • Brookite, Quartz, Adularia
  • 8.1x5.3x3.0 cm
  • Largest Crystal Size: b-5mm, qu-25mm
  • $65.00
  • Uri

  • Switzerland
  • Some very nice, sharp, light brown, bladed brookite crystals are scattered between and on quartz crystals on this specimen. Classic!
BrochantiteSecondary Minerals, Various Locations
  • Item #21967
  • Brochantite
  • 9.5x6.4x2.2 cm
  • Largest Crystal Size: 2mm
  • $35.00
  • Socorro
    New Mexico, USA
  • The matrix for this piece is vuggy quartz that has many beautiful, acicular tufts of emerald-green brochantite associated with not so great baryte crystals. There are also, sharp, clear, colourless crystals of an unknown mineral associated with the brochantite. Could be hemimorphite? Lots to look at!
WurtziteSulphides, Arsenides, etc. Miscellaneous, Page Four
  • Item #21966
  • Wurtzite
  • 3.7x2.0x4.4 cm
  • Largest Crystal Size: 18mm
  • $35.00
  • Pibram
    Czech Republic
  • Radiating bundles of dark-brown wurtzite form the front of this specimen. Nice piece from a classic locality!
UssingiteRare Minerals
  • Item #21961
  • Ussingite
  • 4.7x4.3x3.2 cm
  • Largest Crystal Size: n/a
  • $65.00
  • Mt. Punkurauj
  • Chibiny Massif, Kola Peninsula
    Russia
  • A fragment of massive ussingite ranging from light mauve to purple. Rich!
RaiteRare Minerals
  • Item #21959
  • Raite
  • 3.8x2.8x2.0 cm
  • Largest Crystal Size: micro
  • $65.00
  • Indian Mountain
  • Kola Peninsula
    Russia
  • There are many open spaces in this matrix that reveal beautiful crystal sprays of the rare Sodium-manganese-titanium silicate raite. There are supposed to be zorite crystals(?) in the cavities as well but I cannot recognize them. Maybe you can?! Very nice raite!
NormanditeRare Minerals
  • Item #21958
  • Normandite
  • 4.5x4.0x2.4 cm
  • Largest Crystal Size: 14mm
  • $85.00
  • Kola Peninsula
    Russia
  • This specimen shows several sprays of deep red-brown normandite embedded in matrix. I have seen many specimens of astrophyllite labelled normandite but this is not one. I've examined it closely and am convinced that it is normandite. Rich specimen of this rare mineral!
Felsobanyaite, GypsumRare Minerals
  • Item #21955
  • Felsobanyaite, Gypsum
  • 3.7x2.8x2.8 cm
  • Largest Crystal Size: n/a
  • $40.00
  • Chickerell
  • Dorset
    England
  • OK, it is not pretty! It IS unusual, though! White aggregates of this unusual aluminum sulfate mineral intermixed with elongated growths of gypsum. Was labelled originally as "basaluminite", which is a pseudonym for felsobanyaite. Unusual!
CornwalliteRare Minerals
  • Item #21952
  • Cornwallite
  • 8.5x3.1x1.7 cm
  • Largest Crystal Size: n/a
  • $35.00
  • Majuba Hill
  • Pershing County
    Nevada, USA
  • There are a number of cavities on this specimen lined with deep green cornwallite. There is a light green phase coating the darker green phase, as well, in the largest opening. I'm not sure if that is also cornwallite. There are two deep blue clinoclase crystals on the light green phase on top of the specimen. Great locality!
KleiniteRare Minerals
  • Item #21951
  • Kleinite
  • 5.8x3.0x3.2 cm
  • Largest Crystal Size: 1.5mm
  • $65.00
  • McDermit
  • Humboldt County
    Nevada, USA
  • Much of the front of this specimen is covered with rough but coherent crystals of kleinite. When I fist saw this mineral, I thought perhaps it was a uranium mineral, it is so yellow. No, it is a mercury mineral. Rare!
StrengiteRare Minerals
  • Item #21945
  • Strengite
  • 4.3x2.5x1.6 cm
  • Largest Crystal Size: 0.5mm
  • $40.00
  • Indian Mountain
  • Cherokee County
    Alabama, USA
  • Beautiful well formed crystals are present both on the darker oxide matrix and as thicker covering on the other side of the specimen. Not all crystals are undamaged but there are many that are perfect and excellent for photography!
Meta-UranocirciteUranium/Radioactive Minerals
  • Item #21941
  • Meta-Uranocircite
  • 6.5x4.6x2.9 cm
  • Largest Crystal Size: 1.5mm
  • $65.00
  • Davier Mine
  • Lawrence County
    South Dakota, USA
  • A number of platy, yellow, crystals of this slightly radioactive mineral sit in an exposed thin seam in a sandstone-like matrix. Some were in contact with the other side of the seam but many are fully formed. Nice!
Tyuyamunite, CalciteUranium/Radioactive Minerals
  • Item #21939
  • Tyuyamunite, Calcite
  • 6.0x4.4x4.0 cm
  • Largest Crystal Size: n/a
  • $65.00
  • Valencia County

  • New Mexico, USA
  • The top of this matrix is totally covered with bright yellow tyuyamunite which is in turn largely covered with small, clear, well formed calcite crystals. Slightly radioactive. Stands perfectly for display.
CarparthiteRare Minerals
  • Item #21937
  • Carparthite
  • 7.0x6.0x5.1 cm
  • Largest Crystal Size: 6mm
  • $65.00
  • Picacho Mine
  • San Benito Co.
    California, USA
  • This specimen has some openings that contain yellowish crystals of this unusual mineral that is composed of just carbon and hydrogen! Some nice crystals here!
Vuagnatite, McguinnessiteRare Minerals
  • Item #21935
  • Vuagnatite, Mcguinnessite
  • 6.4x5.0x2.1 cm
  • Largest Crystal Size: 1mm
  • $75.00
  • Ukiah
  • Mendocino County
    California, USA
  • The top of this plate is largely covered with transluscent, white-colourless vuagnatite crystals (some very sharp!) and green, hemispheres of greenish mcguinnessite. Nice combination!
JarositeSecondary Minerals, Various Locations
  • Item #21934
  • Jarosite
  • 4.6x4.0x3.4 cm
  • Largest Crystal Size: micro
  • $40.00
  • Luning

  • Nevada, USA
  • The front of this specimen is mostly one large area totally covered with sharp, sparkling crystals of jarosite. Lots to look at!
CornubiteRare Minerals
  • Item #21932
  • Cornubite
  • 3.5x2.9x2.2 cm
  • Largest Crystal Size: micro
  • $55.00
  • Hardshell Mine
  • Santa Cruz County
    Arizona, USA
  • Lots of tiny, green crystals of this rare copper arsenate in and on the gossanous matrix of this piece.
MerwiniteRare Minerals
  • Item #21931
  • Merwinite
  • 5.5x3.2x1.4 cm
  • Largest Crystal Size: 1mm
  • $35.00
  • Crestmore Quarry
  • Riverside County
    California, USA
  • Whitish crystals of this unusual calc-silicate mineral are embedded in this piece. Unusual.
ZunyiteRare Minerals
  • Item #21926
  • Zunyite
  • 6.6x4.3x2.8 cm
  • Largest Crystal Size: 1mm
  • $75.00
  • Big Bertha Mine
  • Quartzite
    Arizona, USA
  • This fragment of quartz.mica matrix contains many hundreds of colourless to beigey zunyite crystals. The crystals are very well formed and are, generally, combinations of cube and octahedron with the octahedron dominating some times. Rich sample with many sharp crystals.
LibetheniteSecondary Minerals, Various Locations, Page Two
  • Item #21923
  • Libethenite
  • 5.0x3.0x0.9 cm
  • Largest Crystal Size: micro
  • $35.00
  • Staustell
  • Cornwall
    England
  • The top of this plate of granite is covered by, sharp, deep-green crystals of libethenite. Classic old locality!
Colemanite, TodorokiteRare Minerals
  • Item #21920
  • Colemanite, Todorokite
  • 5.5x5.0x3.9 cm
  • Largest Crystal Size: c-3mm, t-micro
  • $35.00
  • Twenty Mule Team Canyon
  • Death Valley
    California, USA
  • What a great locality name! History! Also very nice crystals of this boron-rich mineral, associated with botryoidal/dendritic todorokite in cavities on the side of the specimen!
Dawsonite, Fluorite, CalciteFrancon Quarry, Montreal,  Quebec, Misc. Minerals
  • Item #21916
  • Dawsonite, Fluorite, Calcite
  • 5.5x4.6x2.6 cm
  • Largest Crystal Size: micro
  • $35.00
  • Francon Quarry
  • Montreal
    Quebec, Canada
  • There are several vugs in this specimen, pretty well all of them containing purple fluorite crystals and often well formed dawsonite crystals in combination. Nice example! R