Plowed field near Clayton, Ygnacio Valley Road, Walnut Creek, Contra Costa County, California
Small cabinet - 8.7 x 5.4 x 5.3 cm
180 grams
Specimen status: Reserved
Send an email with specimen number to order
A large gypsum crystal, rendered brown
by soil inclusions. Complete all around and in great
condition, except where cleaved on one face (which reveals
a highly transparent - selenite - interior). Interesting
locality.
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