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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.
ST673 - Purpurite $ 80 Crystal Mountain, Larime Co., Colorado, USA miniature - 4 x 3 x 3 cm ![]() ![]() ![]() Colorful specimen of the uncommon phosphate mineral Purpurite showing on multiple sides of a rock matrix. 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.
ST667 - Braunite II $ 250 N'Chwanning Mine, Kuruman, South Africa small cabinet - 9 x 7.5 x 2.5 cm ![]() ![]() ![]() ![]() ![]() Black bipyramidal crystals of Braunite II from the Kalahari Manganese fields of South Africa. Good sized specimen of this rare species with crystals to 1cm. Associated species include Kutnohorite and Andradite. Ex. Erich Laskowski collection.
ST668 - Oligoclase var. Peristerite $ 300 Bear Spring Road, Monmouth Township, Ontario, Canada cabinet - 10 x 7.5 x 5 cm ![]() ![]() ![]() ![]() Oligoclase crystals to 1.5cm associated with Hornblende. The Oligoclase have a blue shiller effect showing (Moonstone). of Nambulite (analyzed) to 2mm with Calcite on a matrix of massive Nambulite. Ex. Erich Laskowski collection, self collected by Erich in 1974.
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.
ST660 - Cronstedtite on Quartz $ 250 Wheal Jane, Baldhu, Kea, Cornwall, England miniature - 4.2 x 3.8 x 2 cm ![]() ![]() ![]() ![]() ![]() Black crystals of Cronstedtite coating transparent Quartz crystals. Cronstedtite is a rare iron silicate mineral. Comes with a number of old labels including an Ian and Kim Acworth label showing a date of 1978 and a Richard Barstow label. Ex. Erich Laskowski collection.
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.
ST662 - Stibnite $ 200 Dachang Mine, Qinglong County, Qianxinan, Guizhou, China cabinet - 13 x 11 x 4.5 cm ![]() ![]() ![]() ![]() Large specimen covered with steely-grey, metallic crystals of Stibnite. The crystals are short and stout with sharp chisel terminations and in excellent condition. 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.
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