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0 item @ $0.00  

Gypsum var. Ram's Horn Selenite

#37753

Gypsum var. Ram's Horn Selenite

#37753
Availability
Sold
Size
3 x 3 x 0.5 cm - Thumbnail 
Formula
CaSO4·2H2O (RRUFF)
Locality
Mariposa mine, Terlingua dist., Brewster Co., Texas, United States

All of these are from Art Smith's collection, who personally collected them. This one, one of the best with a split "horn".

Gypsum

Formula
CaSO4·2H2
Crystal System
Monoclinic 
Crystal Habit
Tabular, Crystalline - Coarse, Massive - Fibrous 
Cleavage
Perfect, Distinct, Distinct 
Luster
Pearly 
Color
white, colorless, yellowish white, greenish white, brown 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Fibrous 
Hardness

Data courtesy of Webmineral.

Collection
Art Smith Collection
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