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0 item @ $0.00  

Collinsite with Jahnsite

#53578

Collinsite with Jahnsite

#53578
Availability
Sold
Size
6 x 4.5 x 2.5 cm - Sm Cabinet 
Formula
Ca2Mg(PO4)2·2H2O (RRUFF)
Locality
Tip Top mine, Custer Co., South Dakota, United States
Tagged
phosphate , pegmatite mineral

Two colorless, excellent, Collinsite crystals to about 2mm in a vug loaded with yellow and olive green Jahnsite.

Collinsite

Formula
Ca2Mg(PO4)2·2H2
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.

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