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Apatite Quartz & Pyrite

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ESM754767

Apatite Quartz & Pyrite

Description Tabs

Description
Locality: 
Panasqueira Mines, Covilhã, Castelo Branco District, Portugal
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
13 × 7 × 5 cm
Description

A pale blue apatite crystal attached to a group of quartz crystals with minor pyrite crystals

Mineral Data
What's on the rock

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5