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Colemanite with Todorokite
Corkscrew Mine, Furnace Creek District, near Ryan, Death Valley, Inyo County, California, USA
$130
Large Cabinet
150 x 120 x 58 mm overall
This complete-floater Colemanite specimen is from the old Corkscrew Mine located inside Death Valley National Monument. It is comprised of intergrown, glassy colorless spheroidal aggregates of Colemanite crystals, with scattered inclusions of black Todorokite. Single crystals to 4 mm are also present. There are a few points of contact, and it is in excellent condition. This was found in the 1980s, and collecting here is now forbidden. Fluorescent yellow in both SW and LW Ultraviolet light.
Specimen # CMC5
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