| |||||||
ST556 - Quartz 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 (=~ € 731) 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.
ST564 - Bournonite $ 1200 (=~ € 1096) 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 (=~ € 228) 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 (=~ € 685) 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 (=~ € 183) 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 (=~ € 164) 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 (=~ € 137) 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 (=~ € 411) 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 (=~ € 274) 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 (=~ € 256) 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 (=~ € 164) 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 (=~ € 685) 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 (=~ € 320) 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.
©2010-2018 Marin Mineral |