Quartz, Sphalerite & Chalcopyrite (Chris Cowan Coll.)

Groundhog Mine, Vanadium, Central District, Grant Co., New Mexico
Cabinet, 10.3 x 8.5 x 5.5 cm
Start Time: 05/02/2019 6:30:00 pm (CDT)
End Time: 05/09/2019 6:34:36 pm (CDT)
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Item Description

A rich and showy combination specimen from this well-known old New Mexico Zn-Pb-Cu-Ag skarn deposit, operated from around 1900 into the 1950s or 60s. The sculptural quartz crystal pincushion is richly invested with charcoal-gray sphalerite twins, scattered golden, lightly iridescent chalcopyrite sphenoids to 1.5 cm and a few hard-to-see smaller pyrite cubes. The matrix is mixed sulfides and quartz. Classic and excellent older Groundhog Mine combination material from the Chris Cowan Collection dating to 1955-56.

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