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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.
ST438 - Milarite $ 400 Jaguaraçu pegmatite, Jaguaraçu, Minas Gerais, Brazil thumbnail - 1 x 0.8 x 0.8 cm ![]() ![]() ![]() Single well terminated Milarite crystal from old (1980s) finds in Brazil. Milarite is a rare silicate mineral with the best found in the Swiss Alps and this locality in Brazil. Well terminated, translucent single crystal with nicely beveled termination edges. A rare thumbnail.
ST435 - Herderite $ 280 Hi Hope Dig, near Anza, Riverside Co., California, USA thumbnail - 2.5 x 2 x 1.4 cm ![]() ![]() ![]() ![]() Translucent 1.5cm white Herderite crystal on matrix. Collected by Al Ordway and Jon Page during the late 1990s. The Hi Hope was a short lived dig named after the ranch owned by noted southern California collector Josie Scripps who had recently passed away in 1992. A rare specimen for a southern California collection.
ST430 - Wurtzite $ 350 Merelani Hills, Arusha, Tanzania thumbnail - 2.3 x 1.6 x 1.4 cm ![]() ![]() ![]() ![]() Translucent to transparent red/orange single Wurtzite crystal. These were discovered a few years ago at the Merelani Tanzanite mines and are considered the world's best for species.
ST443 - Almandine Green's Farm locality, Roxbury, Litchfield Co., Connecticut, USA miniature - 3.5 x 2.5 x 2 cm ![]() ![]() ![]() Old USA classic Almandine specimen with a complete purple-red dodecahedron 2cm wide. The Almandine sits perfectly for display in a gray/green schist matrix. A good-sized crystal for the locality which is now closed to collecting.
ST442 - Tetrahedrite $ 450 Casapalca Mine, Huarochirí Province, Lima, Peru miniature - 3.2 x 3 x 1.8 cm ![]() ![]() ![]() Lustrous, sharp, dark metallic-gray tetrahedrite with small amounts of attached Pyrite from Casaplaca, one of the premiere localities for the species. The main crystal is large sized at 3cm and the cluster as a whole is very aesthetic.
ST434 - Libethenite $ 350 Mindola pit, Rokana Mine, Kitwe, Zambia miniature - 3.2 x 2 x 1.8 cm ![]() ![]() Cluster of dark green, lustrous Libethenite crystals 1.5cm wide in a grey argillite matrix. These were collected in the 1970s and are considered to be some of the world's best for species.
ST552 - Tantalite $ 200 Kunar, Afghanistan thumbnail - 3 x 2.5 x 2 cm ![]() ![]() ![]() ![]() Complete and undamaged tabular Tantalite crystal with attached Albite. I can see a bit of red coloration on some edges so it's perhaps Manganotantalite.
ST560 - Dioptase $ 500 Mindouli District, Pool Department, Congo thumbnail - 2.7 x 1.5 x 1.5 cm ![]() ![]() ![]() ![]() ![]() Aesthetic cluster of large, elongated Dioptase crystals. Undamaged. This is from the Lou Schwartz collection and one of the earlier pieces found at the locality.
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