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Collinsite & Bobierrite

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ESM559283

Collinsite & Bobierrite

Rare Mineral

Description Tabs

Description
Locality: 
Kovdor Zheleznyi Mine, Kovdor Massif, Murmansk Oblast, Russian Federation
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.8 × 5.3 × 3.3 cm
Description

Greenish-grey botryoidal collinsite crystals with colorless blades of bobierrite on top

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

Bobierrite

Formula: 
Mg3(PO4)2·8H2O
Strunz: 
8.CE.35
Hardness: 
2.0 - 2.5
Streak: 
White
Type Locality: 
Mejillones peninsula, Mejillones, Antofagasta Province, Antofagasta Region, Chile