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ST371 - Kolwezite on Cobaltian Calcite $ 250 Kolwezi Mining District, Lualaba, DR Congo small cabinet - 9 x 6.5 x 6 cm ![]() ![]() ![]() ![]() ![]() Dark olive green Kolwezite atop rhombs of pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful large display piece and combination specimen of two desireable species together. Sawcut on back.
ST199 - Kolwezite on Cobaltian Calcite $ 300 Kolwezi Mining District, Lualaba, DR Congo cabinet - 10 x 10 x 3 cm ![]() ![]() ![]() ![]() ![]() Dark olive green botryoidal Kolwezite atop rhombs of pink Cobaltoan Calcite (or possibly Cobaltoan Dolomite) creating a stunning mixture of colors and forms. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful large display piece and combination specimen of two desireable species together. Sawcut on back.
ST374 - Kolwezite on Cobaltian Calcite $ 200 Kolwezi Mining District, Lualaba, DR Congo small cabinet - 8.7 x 3.7 x 2 cm ![]() ![]() ![]() ![]() Dark olive green to yellowish green Kolwezite atop vivid pink Cobaltoan Calcite. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful large display piece and combination specimen of two desireable species together. Sawcut on back.
ST375 - Kolwezite on Cobaltian Calcite $ 200 Kolwezi Mining District, Lualaba, DR Congo small cabinet - 9 x 4 x 1.5 cm ![]() ![]() ![]() Dark olive green spherical cluster of Kolwezite atop bright pink Cobaltoan Calcite. Kolwezite is a Copper Cobalt Carbonate Hydroxide and this is the type locality for the species. A beautiful display piece and combination specimen of two desireable species together. Sawcut on back.
ST379 - Malachite on Cobaltian Calcite $ 150 Kolwezi Mining District, Lualaba, DR Congo small cabinet - 8 x 4.5 x 1.5 cm ![]() ![]() ![]() Groups of bladed Malachite crystals atop vivid pink Cobaltoan Calcite. Bright and colorful combination specimen. Sawcut on back.
ST403 - Lepidolite, Albite on Orthoclase $ 150 Himalaya Mine, Mesa Grande, San Diego Co., California, USA small cabinet - 7 x 6 x 3 cm ![]() ![]() ![]() ![]() Purple Lepidolite and white Albite atop a lighlty etched Orthoclase crystal. These Orthoclase with Lepidolite are instantly recognizable classics from the mine and a nice addition to round out a Himalaya Mine suite.
ST401 - Diopside $ 500 Merelani Hills, Arusha, Tanzania miniature - 4.9 x 4 x 2 cm ![]() ![]() ![]() Cluster of large, gemmy Diopsde crystals from the Merelani Tanzanite mines. The main crystal is 4.4cm and double-terminated.
ST406 - Apatite $ 240 Cerro de Mercado, Durnago, Mexico miniature - 5 x 4 x 3.5 cm ![]() ![]() ![]() ![]() Gem quality yellow Apatite crystal in matrix from the well know Cerro de Mercado locality. Clean specimn that displays well. Uncommon on matrix and of this quality.
ST402 - Dioptase on/in Quartz Reneville, Dem. Rep. of Congo thumbnail - 2.7 x 2.7 x 1.5 cm ![]() ![]() ![]() Cluster of clear Quartz crystals with Dioptase. The main Dioptase is 1.3cm long, double-terminated, with both ends extending out opposite sides of the Quartz cluster. Old, rare specimen.
ST408 - Wulfenite $ 450 Los Lamentos, Chihuahua, Mexico miniature - 3.5 x 3 x 1 cm ![]() ![]() ![]() ![]() Large, transparent single Wulfenite crystal with attached white Hydrozincite. It has a cleave along one edge (that is not distracting) otherwise it's pristine. Displays equally well from either side and has a small attached Lucite stand. Choice old classic.
ST410 - Celestite $ 500 Salem, Washington Co., Indiana, USA miniature - 5 x 5 x 3.2 cm ![]() ![]() ![]() ![]() ![]() Superb example of blue Celestite from the quarrys near Salem, Indiana. Well crystallized all around with areas of transparency and highly glassy. An undamaged beauty.
ST394 - Heterogenite, Chrysocolla $ 600 L'Etoile du Congo Mine (Star of Congo), Lubumbashi, Haut-Katanga, DR Congo cabinet - 14 x 10 x 6 cm ![]() ![]() ![]() ![]() ![]() Colorful specimen of botryoidal Heterogenite, Chrysocolla, small tufts of acicular Malachite, and possibly Cornetite. Ex. Gilbert Gauthier specimen with label and ex. Mike Groben collection with label. Mike's label indicates it was purchased from Gilbert in 1999 for $250 and appraised at the time at $500.
ST397 - Galena Treece, Kansas, USA small cabinet - 9 x 6 x 5.5 cm ![]() ![]() ![]() ![]() ![]() Bright metallic Galena cubes to 2.5cm on a silicified limestone matrix with red 'Ruby-Jack' Sphalerite crystals, Dolomite, and Calcite crystals from Treece, Kansas. The Galena are present on one side, but the specimen detached in the pocket and the Sphalerite and Calcite are present on all sides, making this a floater.
ST420 - Rose Quartz $ 350 Sapucaia, Minas Gerais, Brazil miniature - 5 x 3.3 x 1.3 cm ![]() ![]() ![]() ![]() Tall, narrow wall-like cluster of Rose Quartz crystals from Brazil. Great crystals with classic rose pink coloration. Can be displayed from either side.
ST433 - Emerald $ 650 Salzburg, Austria miniature - 4.2 x 3 x 1.5 cm ![]() ![]() ![]() A 1.4cm Emerald in a dark schist matrix. The Emerald has great medium green color and lots of transparency.
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