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AU545 - Bournonite $ 140 Mitsumine, Chichibu mining district, Nakatsugawa, Ohtaki-mura, Chichibu City, Saitama Prefecture, Japan thumbnail - 1 x 0.6 x 0.5 cm ![]() ![]() ![]() ![]() Single Bournonite crystal from Japan. The crystals has high silvery metallic luster. From MINDAT: 'This district produced the first copper mined in Japan, in the year 707 C.E., early in the reign of Empress Gemmei.'
AU551 - Ephesite $ 350 Glosam Mine, Western Belt, Northern Cape, South Africa thumbnail - 2.5 x 2 x 1.3 cm ![]() ![]() ![]() ![]() Seldomly seen specimen of pink Ephesite crystals from the Glosam Mine in South Africa. The crystals are a translucent red/pink and form tapering, hexagonal crystals to 6mm in size along a narrow Manganite matrix. Ephesite is a rare lithium sodium aluminum silicate mineral.
AU557 - Prehnite $ 180 Asbestos, Quebec, Canada thumbnail - 1.6 x 0.6 x 0.6 cm ![]() ![]() ![]() Single transparent Prehnite crystal from the Jeffrey Mine, a locality better known for Grossular and Vesuvianite. However, crystallized Prehnite is not common (it's usually found as botryoidal masses), and some of the best Prehnite crystals are found here at the Jeffrey Mine.
AU521 - Heliodor $ 350 Magli, Nigeria thumbnail - 2.3 x 0.8 x 0.6 cm ![]() ![]() ![]() ![]() Single gem Heliodor crystal fron Nigeria. Undamaged crystal with etched prism faces and smooth, flat terminatin faces.
AU523 - Herderite $ 600 Virgem da Lapa, Minas Gerais, Brazil thumbnail - 2.5 x 2 x 1.3 cm ![]() ![]() ![]() ![]() Single purple Herderite crystal that has rich color and is translucent to transparent. Complete all around and undamaged, fine quality single crystal.
AU524 - Stibnite $ 140 Kadamzhaj, Tien-Shan Mtns., Kirgizstan miniature - 3.3 x 0.8 x 0.5 cm ![]() ![]() ![]() ![]() Silvery metallic crystals of Stibnite from Kirgizstan. Well terminated, undamaged crystals.
AU528 - Barite $ 90 Meikle Mine, Elko Co., Nevada, USA thumbnail - 1.8 x 1.6 x 0.5 cm ![]() ![]() ![]() ![]() Glassy single golden Barite crystal with excellent, glass-like transparency.
AU531 - Bournonite $ 350 Hengyang, Hunan Prov., China thumbnail - 2.2 x 1.3 x 0.8 cm ![]() ![]() ![]() ![]() ![]() Aesthetic, undamaged lcuster of Bournonite crystals.
AU538 - Morganite with Dolomite, Pyrrhotite $ 300 Morro Velho Mine (?), Minas Gerais, Brazil thumbnail - 2.3 x 1.8 x 1.3 cm ![]() ![]() ![]() ![]() Glassy and transparent light pink Morganite crystal with an attached Dolomite crystals. The Dolomite crystals have attached and included sulfide crystals, likely Pyrrhotite. The given locality on the label was only 'Minas Gerais'. Although MINDAT does not show Morganite as occuring at the Morro Velho mine, the Pyrhotite on Dolomite is distinctive and Morro Velho is my best guess as to the precise locality.
AU542 - Eosphorite $ 200 Taquaral, Minas Gerais, Brazil thumbnail - 2 x 2 x 1.5 cm ![]() ![]() ![]() ![]() Cluster of translucent, golden brown Eosphorite crystals without matrix.
AU544 - Azurite $ 1000 Touissit Mine, Morocco thumbnail - 2.4 x 1.4 x 0.5 cm ![]() ![]() ![]() ![]() Single transparent crystal of deep blue Azurite. Complete all around and undamaged with glossy luster.
AU550 - Lazulite $ 200 Rapid Creek, Yukon, Canada thumbnail - 1.5 x 1.1 x 1 cm ![]() ![]() ![]() ![]() Large single crystal of deep blue Lazulite.
AU547 - Topaz included by Schorl $ 130 Minas Gerais, Brazil thumbnail - 2 x 1.3 x 1.3 cm ![]() ![]() ![]() ![]() Complete and undamaged single gem Topaz crystal included by a single Schorl crystal.
AU543 - Phosgenite ps. Anglesite $ 200 Benthen, Silesia, Germany thumbnail - 1.4 x 0.5 x 0.5 cm ![]() ![]() ![]() ![]() Complete single crystal of Phosgenite that has pseudomorphed a former Anglesite crystal.
AU554 - Andorite $ 180 San Jose Mine, Oruro, Bolivia thumbnail - 1 x 1 x 0.6 cm ![]() ![]() ![]() ![]() Well crystallized single Andorite. This is a complete crystal that appears to be a floater with sharp crystal faces all around and a deep cavernous area on part of the back side. Many Bolivian Andorites have a fuzzy, fibrous surface luster - this one has smooth, bright silvery metallic surfaces.
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