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Chalcopyrite & Apatite

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MGR208378

Chalcopyrite & Apatite

Description Tabs

Description
Locality: 
Panasqueira Mines, Covilhã, Castelo Branco District, Portugal
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.2 × 8.7 × 6 cm
Description

A great combination of light green, glassy and very lustrous apatite with intense golden, glossy chalcopyrite. The apatite crystals cover neraly the entire front side and they show very fine clarity. The chalcopyrite (more golden and lustrous in person) are very exposed. Along the edges of the specimen you can see tiny siderite crystals, their color is light beige. Hard to photograph and even better in person.

Mineral Data
What's on the rock

Chalcopyrite

Formula: 
CuFeS2
Strunz: 
2.CB.10a
Crystal System: 
Tetragonal
Hardness: 
3.5 - 4.0

Apatite

Synonym Of: 

Chlorapatite

Formula: 
Ca5(PO4)3Cl
Strunz: 
8.BN.05
Hardness: 
5.0

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0

Hydroxylapatite

Formula: 
Ca5(PO4)3(OH)
Strunz: 
8.BN.05
Hardness: 
5.0
Crystal System: 
Hexagonal
Hardness: 
5