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Collinsite

#PD35934
SOLD
Collinsite from Tip Top mine, Custer Co., South Dakota, United States - PD35934
Collinsite from Tip Top mine, Custer Co., South Dakota, United States - PD35934

Collinsite

#PD35934
Availability
Sold
Size
6 x 4 x 2 cm - Sm Cabinet 
Formula
Ca2Mg(PO4)2·2H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate

Bladed white flat-lying Collinsite crystals to 3mm. 

Collinsite

Formula
Ca2Mg(PO4)2·2H2O 
Crystal System
Triclinic 
Cleavage
Perfect, Perfect, None 
Luster
Silky 
Color
colorless, white, light brown 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Brittle 
Hardness
3-3.5 

Data courtesy of Webmineral.

Collection
Phillips Collection
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