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Boulangerite on Pyrite, Quartz, and Sphalerite
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Collection |
John Betts - Fine Minerals |
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Description |
Fine hair-like gray-metallic Boulangerite crystals to 5 mm over a double-sided cluster of yellow-metallic Pyrite crystals to 8 mm with lustrous black Spinel-law twinned Sphalerite crystals to 5 mm and colorless translucent Quartz crystals to 4 mm. Ex. Peter B. Nalle (1923-2010) collection #736; originally acquired in 1997; ex. Doris Biggs collection. The top picture is a full frame, and the bottom is a zoomed perspective on the Boulangerite fibers. |
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Locality |
Noche Buena Mine, Zacatecas, Mexico |
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Dimensions |
6.5 x 5.5 x 3.5 cm. |
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Specimen Grade |
B |
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Photograph |
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