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Collinsite

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BCK631857

Collinsite

Rare Mineral

Description Tabs

Description
Locality: 
Tip Top Mine, Fourmile, Custer County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 1 cm
Description

You are bidding on a small sample with a beautiful cluster of bladed collinsite crystals in a vug lined with tiny apatite crystals. Accompanied by several smaller collinsite blades. 

Mineral Data
What's on the rock

Collinsite

Formula: 
Ca2(Mg,Fe2+)(PO4)2·2H2O
Strunz: 
8.CG.05
Hardness: 
3.0 - 3.5
Type Locality: 
Francois Lake phosphate occurrence, Francois Lake, Omenica Mining Division, British Columbia, Canada

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