Boulangerite on Pyrite, Quartz, and Sphalerite
Collection
John Betts - Fine Minerals
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.
Locality
Noche Buena Mine, Zacatecas, Mexico
Dimensions
6.5 x 5.5 x 3.5 cm.
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