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ST438 - Milarite $ 300 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.
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.
ST472 - Dioptase $ 300 Mindouli District, Pool Department, Congo thumbnail - 2.2 x 0.8 x 0.8 cm ![]() ![]() ![]() Large, elongated single Dioptase crystal. Undamaged, transparent to translucent with attached white Calcite around the base. Exceptional single thumbnail Dioptase.
ST555 - Tourmaline $ 220 St. Anne's Mine, Miami, Karoi District, Zimbabwe small cabinet - 6.2 x 0.6 x 0.5 cm ![]() ![]() ![]() Long, dark green but transparent single Tourmaline crystal from recent production at the famous St. Anne's mine in Zimbabwe. Tourmaline has been very rare from this mine historically, which has primarily targeted blue Topaz. Though dark, it is transparent facet grade throughout with a more greenish brown at the tip and a bright pure green over the rest of the crystal. Complete and undamaged and weighs 4.86 grams.
ST536 - Hematite with Quartz $ 600 Buckskin Mts, La Paz Co., Arizona, USA small cabinet - 6 x 5.5 x 4 cm ![]() ![]() ![]() ![]() Stunning Hematite and Quartz specimen from the Buckskin Mountains in Arizona. Mirror lustrous tabular crystals to over 1cm in size associated with clear Quartz crystals and white Albite.
ST546 - Sulfur in Selenite Maybee Quarry, Monroe Co., Michigan, USA cabinet - 11 x 6 x 4 cm ![]() ![]() ![]() ![]() ![]() Bright yellow crystals of Sulfur attached and fully included within transparent Gypsum var. Selenite. Sulfur inclusions in Selenite are uncommon and this is an excellent example. See the current issue of Mineralogical Record for an article on this locality.
ST543 - Galena on Calcite $ 200 Dal'Negorsk, Russia small cabinet - 7.5 x 5 x 4.5 cm ![]() ![]() ![]() Mirror lustrous Galena crystals with lenticular white Calcite. The Galena reach 3cm in size.
ST549 - Quartz Scepter $ 200 Chibuku Mine, Chiredzi mining district, Masvingo, Zimbabwe miniature - 4.5 x 2.5 x 2.3 cm ![]() ![]() ![]() ![]() ![]() Smokey and Amethyst scepter with red Hematite inclusions on a colorless Quartz stem. High quality, complete crystal hand selected from hundreds.
ST558 - Quartz Scepter $ 300 Chibuku Mine, Chiredzi mining district, Masvingo, Zimbabwe small cabinet - 6 x 2.5 x 2 cm ![]() ![]() ![]() ![]() ![]() Smokey and Amethyst scepter with red Hematite inclusions on a colorless Quartz stem. High quality, complete crystal hand selected from hundreds.
ST568 - Quartz $ 150 Mt. Tamalpais, Marin Co., California, USA small cabinet - 7 x 2.5 x 2.3 cm ![]() ![]() ![]() ![]() Undamaged single Quartz crystal with a sharp triangular termination and a grey phantom near the tip. An excellent Marin Co. Quartz.
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