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Andradite & Fluorapatite

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SYM779769

Andradite & Fluorapatite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.8 × 1 cm
Description

Rich clear crystals of fluorapatite on andradite crystal.

Mineral Data
What's on the rock

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
Streak: 
White
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany