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.

 

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!	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.	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!	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!
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!	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!	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!	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!
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.	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!	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.	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!
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!	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!	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!	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!
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.	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	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	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
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	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	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	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
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	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	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	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
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	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	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	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
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	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	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	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
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	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	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	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
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	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	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	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
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	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	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	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.
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.	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.	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!	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!
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!	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!	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!	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!
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!	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.	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!	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.
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.	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!	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!	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.
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!	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!	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.	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!
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!	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!	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!	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!
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.	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!	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.	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!
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!	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!	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!	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!
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!	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!	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!	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!
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!	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!	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!	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!
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!	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!	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.	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!
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!	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!	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.	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.
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.	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!	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!	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