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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 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.
ST721 - Senegalite on Turquoise $ 200 Mount Kouroudiako, Faleme River Basin, Senegal miniature - 4.5 x 3.5 x 3.5 cm ![]() ![]() ![]() ![]() ![]() ![]() Bright yellow crystals of Senegalite on layers of vivid blue Turquoise. Senegalite is a rare phosphate mineral and this is the Type locality for the species. Ex. Erich Laskowski collection.
ST678 - Hyalophane $ 180 Zadraski Potok Mine, Busovaca, Bosnia small cabinet - 6.2 x 4.5 x 4 cm ![]() ![]() ![]() ![]() ![]() Distinct, well formed crystals of Hyalophane on matrix. The crystals are glassy and transparent. There are also small crystals of Goethite after Ankerite and small acicular crystals of Rutile present. Ex. Erich Laskowski collection.
ST671 - Clinoptilolite $ 150 Richardson's Ranch, Madras, Oregon, USA small cabinet - 7 x 6 x 3.5 cm ![]() ![]() ![]() ![]() Numerous crystals of burnt orange colored Clinoptilolite on the front display face, with many more crystals on the bottom and back sides. Ex. Erich Laskowski collection.
ST664 - Cylindrite $ 450 Poopo, Oruro Dept., Bolivia small cabinet - 7 x 5 x 4 cm ![]() ![]() ![]() ![]() Numerous crystals of Cylindrite exposed on all sides of specimen. Cylindrite is a sulfosalt mineral containing tin, lead, antimony and iron and the cylindrical crystal form is unique in the mineral world. This specimen has large crystals to 6mm in diameter (most have much thinner crystals). Associated minerals include Wurtzite, Zinkenite, and Valentinite. Ex. Erich Laskowski collection, purchased from Kristalle in 1996.
ST649 - Dyscrasite $ 300 Bouismas Mine, Bou Azzer mining district, Draa-Tafilalet Region, Morocco small cabinet - 6.3 x 4 x 2.2 cm ![]() ![]() ![]() ![]() Long, well formed crystals of Dyscrasite associated with pale green Actinolite in a white Calcite matrix. Good crystals exposed on both sides and a particularly aesthetic example. Ex. Erich Laskowski collection.
ST646 - Cassiterite $ 280 Huanuni, Oruro, Bolivia miniature - 3.2 x 3 x 2.7 cm ![]() ![]() ![]() ![]() Elongated black Cassiterite crystals to 1.7cm associated with Quartz crystals. This elongated form is uncommon for Cassiterite and these are perfect undamaged crystals. Ex. Erich Laskowski collection.
ST647 - Klebelsbergite on Stibnite $ 180 Pereta Mine, Scansane, Grosseto Prov., Tuscany, Italy miniature - 4.5 x 4.5 x 2.5 cm ![]() ![]() ![]() ![]() ![]() Sprays of white acicular Klebelsbergite on Stibnite. Associated minerals include Valentinite, Sulfur, and Stibconite. Ex. Erich Laskowski collection.
ST648 - Montebrasite with Albite $ 750 Telirio Mine, Linopolis, Minas Gerais, Brazil miniature - 4 x 3.2 x 2 cm ![]() ![]() ![]() ![]() Blocky, gemmy crystal of Montebrasite with attached Albite. A beautiful well formed crystal of this rare species that has good color and is complete all around. There is a bit a roughness on the left edge where some Albite grew, otherwise it has smooth flat faces all around. A really nice gem crystal. Ex. Erich Laskowski collection.
ST652 - Lorenzenite $ 350 Lovozero Mtns., Kola Peninsula, Russia small cabinet - 7 x 4.5 x 3 cm ![]() ![]() ![]() ![]() Doubly terminated single crystal of Lorenzenite in matrix. The crystal is 2.3cm and undamaged. Lorenzenite is a rare sodium titanium silicate mineral. Ex. Erich Laskowski collection from the Fersman Mineralogical Museum.
ST654 - Sturmanite $ 220 N'Chwanning Mine, Kuruman, South Africa miniature - 5 x 4.5 x 2.5 cm ![]() ![]() ![]() ![]() ![]() Translucent yellow Sturmanite crystls to 9mm wide on matrix. Undamaged.Ex. Erich Laskowski collection.Purchased in 2008 from Mineral Classics and comes with a Wendell Minerals label.
ST669 - Dioptase $ 400 Cobra Mine, Pampa Nazca, Ica Dept., Peru cabinet - 10 x 7.5 x 5 cm ![]() ![]() ![]() ![]() ![]() ![]() Isolated and clustered Dioptase crystals to 5mm on matrix with Duftite, Brochantite, and Chrysocolla. This is an excellent example from an uncommon locality for Dioptase. Clean and undamaged. Ex. Erich Laskowski collection, self collected by Erich in 2001.
ST657 - Lazurite $ 450 Ladjuar Medam, Sar-e-Sang, Koksha Valley, Badakhshan, Afghanistan small cabinet - 6 x 4 x 2.5 cm ![]() ![]() ![]() ![]() Two crystals of Lazurite in a white marble matrix. The crystals are sharply formed and reach 2cm in size. Ex. Erich Laskowski collection.
ST659 - Dioptase Christmas Mine, Gila Co., Arizona, USA small cabinet - 7 x 4.5 x 1.5 cm ![]() ![]() ![]() ![]() Shallow Calcite lined vug loaded with bright Diioptase crystals. Ex. Erich Laskowski collection.
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