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Apatite On Quartz

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MMM46701

Apatite On Quartz

Description Tabs

Description
Locality: 
Rinsey Cove, Near Helston, Cornwall, United Kingdom
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1 × 1 cm
Description

Cracking little thumb nail specimen displaying a single quartz crystal with a group of green apatite crystals attached to the base with minor muscovite mica.

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