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Montana Mineral Specimens
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OKF-032 Enargite on Pyrite Leonard Mine, Butte, Montana. Ex. Jim Turek Collection. Showy specimen from a classic US locality. This plate measures 6.5 x 5 cm and is about 2.2 cm thick. The backside of piece is all pyrite and is partially crystallized. The front has a large group of flattened enargite crystals to 1.5 cm which stand off the pyrite matrix. No damage to this showy specimen. 500$
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OKE-025 Quartz on Rhodochrosite Butte, Montana Ex. Nancy Collins collection. Beautifully formed quartz sprays on pink rhodos to 1.3 cm each on edge. No damage and very displayable. Old collection number and some Styrofoam on base of piece. 8 x 6.5 x 5 cm. Another American classic. 700$
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OKD-500 Quartz on Rhodochrosite Butte, Montana. Ex Nancy Collins Collection. I assume this is an Emma Mine specimen. There is a nice spray of clear to milky quartz on this small but sweet thumbnail specimen. Two quartz points are damaged, otherwise clean. Mounted in Perky box. 2.1 x 1.7 x .6 cm. Very attractive and well priced at 45$
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OKD-347 Enargite Butte, Montana. Ex. Nancy Collins Collection. A nice damage free grouping of crystals to 1.3 cm each. High luster and very minor peripheral contact. On a matrix of mostly pyrite. 2.2 x 2 x 1.8 cm. 90$
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OKD-152 Corundum Montana. Ex. Dr. Steve Chamberlain Collection. This pair of opaque crystals are grown side by side on a gray and white matrix. Good crystal form, medium to low luster on these 1.5 cm crystals. Fluorescent. 20$
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OKB-613 Goethite pseudo after Pyrite Helena, Montana OKB-616 Dolomite pseudo. After Orthoclase Kokomo, Colorado. Ex. Dr. Steve Chamberlain Collection. Interesting pyritohedron that is twinned. Crystal is 1.5 cm. 25$
