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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 $ 1800 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.
ST556 - Quartz $ 250 Merelani Hills, Arusha, Tanzania miniature - 4.8 x 2.5 x 2 cm ![]() ![]() ![]() Thick, double-terminated Quartz crystal with a smaller single crystal rising up off one side. This crystal has a lot of character and reminds me a submarine for some reason. Complete all around and undamaged. Found at the Merelani Tanzanite mines.
ST569 - Calcite $ 800 Daye Copper Mine, Daye Co., Huangshi, Hubei, China small cabinet - 6.8 x 3.5 x 3 cm ![]() ![]() ![]() ![]() Large, double-terminated greenish yellow Calcite crystal. The crystal is internally transparent and nearly pristine. This is a crystal I've owned for about 20 years and was the best of a small lot available with one Chinese dealer at the Tucson mineral show.
ST566 - Quartz with inclusions $ 450 Jinkouhe District, Leshan, Sichuan, China small cabinet - 6 x 3 x 2.5 cm ![]() ![]() ![]() ![]() Double-terminated clear Quartz crystal with inclusions of graphite and moving bubbles inside water pockets (enhydros). This is a crystal I've owned for about 20 years and was the very best of a large lot of similar crystals purchased. There are bits of Graphite (some large to about 5mm) and bubbles moving everywhere when you turn it in hand, really loaded with movement, I estimate there are about 10 pockets with either a moving bubble or Graphite.
ST564 - Bournonite $ 1200 Machacamarca, Potosi, Bolivia small cabinet - 8 x 6 x 5 cm ![]() ![]() ![]() ![]() ![]() ![]() Large 'cogwheels' or metallic grey Bournonite on matrix. Main crystal is 4cm wide a stands uprite perfectly for display. There are other smaller Bournonite crystals present along with small Tetrahedrite crystals.
ST589 - Arsenopyrite, Quartz, Stannite $ 250 Yaogangxian Mine, Hunan, China miniature - 3.7 x 3 x 2.1 cm ![]() ![]() ![]() ![]() Undamaged specimen of a transparent Quartz crystal and mica atop a bright, metallic cluster of Arsenopyrite crystals over a matrix of Stannite. Attractive, showy miniature.
ST585 - Fluorite with Galena $ 750 Blackdene Mine, Weardale, Durham, England small cabinet - 8.5 x 5 x 4.5 cm ![]() ![]() ![]() ![]() ![]() Translucent to transparent purple Fluorite cubes intergrown with Galena cubes. The Fluorite has great glassy luster and really lights up in natural sunlight. Ex. A.E. Seaman Mineral Museum.
ST554 - Tourmaline $ 400 St. Anne's Mine, Miami, Karoi District, Zimbabwe small cabinet - 7.2 x 0.7 x 0.6 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. The crystal has a natural 'bend' near the base caused by natural fracturing and rehealing processes during the crytal's growth. Complete and undamaged and weighs 8.52 grams.
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