Gypsum
Mariposa Mine, California Hill, Terlingua Mercury District, Brewster County, Texas, USA
The curl is 1.7 cm across while the crystal itself is 2.5 cm long.
Same location.  This is a small specimen.  The curl is 1.7 cm across while the crystal itself is 2.5 cm long.  This was collected with Dana Dixon in 1974.  It had grown under a flat piece of limestone breccia, and was collected using a long screwdriver. (Author: Ed Huskinson)
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