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ST192 - Cobaltian Calcite on Quartz Kolwezi Mining District, Lualaba, DR Congo small cabinet - 5.5 x 4.5 x 3.5 cm ![]() ![]() ![]() Unusual finger-like formations of pink Cobaltoan Calcite in a Quartz crystal lined vug. The individual crystal aggregates rach 8mm tall.
ST189 - Kolwezite on Cobaltian Calcite Kolwezi Mining District, Lualaba, DR Congo small cabinet - 9 x 7 x 4.5 cm ![]() ![]() ![]() ![]() Dark olive green Kolwezite atop rhombs of vivid pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. The Kolwezite forms a superb 'pinwheel' formation 1.3cm wide. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species.
SV305 - Tsavorite, Calcite, Diopside $ 200 Merelani Hills, Arusha, Tanzania thumbnail - 2.1 x 1.3 x 1.1 cm ![]() ![]() ![]() ![]() Elongated faden-like Tsavorite crystals on a matrix of Calcite crystals. This is an uncommon form of Tsavorite (Grossular) that are not often seen on matrix. There is a Diopside crystal and small Pyrite crystals in association. Great thumbnail from the Merelani Tanzanite mines.
ST271 - Wulfenite $ 950 Erupcion Mine, Los Lamentos, Chihuahua, Mexico small cabinet - 7.5 x 5 x 3 cm ![]() ![]() ![]() ![]() ![]() ![]() ![]() Translucent, tabular orange Wulfenite crystals to 2.1cm in size on a dark matrix. A showy example of a less common style from this prolific locality.
ST270 - Adamite $ 1250 Mina Ojuela, Mapimi, Durango, Mexico small cabinet - 6.8 x 5 x 3.3 cm ![]() ![]() ![]() ![]() ![]() ![]() Vivid yellow to yellow/green 'pinwheel' crystal clusters on Limonite. Beautiful color.
ST243 - Spinel $ 500 Mogok, Myanmar miniature - 3.3 x 2.3 x 1.5 cm ![]() ![]() ![]() ![]() An 1.5cm crystal of pink Spinel in matrix. A complete, slightly elongated octahedron with good transparency.
ST245 - Spinel $ 400 Mogok, Myanmar miniature - 4 x 3 x 2.5 cm ![]() ![]() ![]() An 1.2cm crystal of pink Spinel in matrix. A complete, slightly elongated octahedron with good transparency (like glass inside, you could cut gems).
ST226 - Lazulite $ 120 Graves Mtn., Georgia, USA thumbnail - 2 x 1.5 x 1 cm ![]() ![]() ![]() Sharp single crystal with good blue color and attached micro Pyrite.
ST282 - Woodhouseite $ 200 Champion Mine, White Mountains, Mono Co., California, USA small cabinet - 7 x 7 x 6 cm ![]() ![]() ![]() ![]() ![]() ![]() Rich specimen with numerous crystals of the uncommon mineral Woodhouseite. The best crystal is a pristine yellow/tan crystal 4.5mm in size well protected in a vug.
ST240 - Kammererite $ 150 Kop Daglari, East Anatolia, Turkey thumbnail - 2.7 x 2.2 x 1.1 cm ![]() ![]() ![]() ![]() Rare specimen of the chromium rich Clinochore varietal known as Kammererite. Main crystal is 5mm in size and present on a druse of smaller crystals.
ST150 - Smokey Quartz $ 150 Erongo Mtns., Namibia small cabinet - 6.8 x 4.5 x 4 cm ![]() ![]() ![]() ![]() ![]() Cluster of 3 undamaged smokey Quartz crystals from a recent find in the Erongo Mountains. These new crystals have excellent phantoms near the terminations, and this specimen was the best quality and had the most aesthetic arrangement of crystals of any of the specimens I saw.
ST251 - Legrandite $ 600 Mina Ojuela, Mapimi, Durango, Mexico thumbnail - 1.8 x 1.2 x 0.8 cm ![]() ![]() ![]() Stout, complete single Legrandite crystal with good transparency. Well crystallized all around with a broad, flat termination. Lustrous undamaged crystal faces all around except for a couple small nicks on the backside.
ST249 - Pyrargyrite $ 250 Fresnillo, Zacatecas, Mexico thumbnail - 1.5 x 1.5 x 1 cm ![]() ![]() ![]() ![]() Thumbnail sized specimen of Pyrargyrite crystals. These are sometimes refered to as 'ruby silver' due to silver in the chemical makeup of the species (a silver antimony sulfosalt) and the deep red coloration. Perfectly terminated classic barrel-shaped crystal.
CS104 - Silver (cubic crystals!) $ 350 Bouismas Mine, Zagora Prov., Draa-Tafilalet Region, Morocco thumbnail - 2.4 x 2 x 0.7 cm ![]() ![]() ![]() ![]() ![]() Cubic Silver crystals that grew on a sheet of solid Silver and have been exposed from white Calcite. Cubic Silver crystals are uncommon and these are superbly formed, sharp cubes of about 2mm in size.
ST257 - Legrandite $ 500 Mina Ojuela, Mapimi, Durango, Mexico thumbnail - 1.8 x 1.2 x 0.8 cm ![]() ![]() ![]() ![]() Stout, complete single Legrandite crystal with areas of transparency. Well crystallized on front with glassy luster and good termination faces, though contacted along the backside.
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