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Apatite

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MGR625191

Apatite

Description Tabs

Description
Locality: 
Panasqueira Mine, Beira Baixa, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.6 × 3.9 cm
Description

A very tridimensional assemble of sharp terminated, lustrous apatite crystals. The assemble looks like a stairway. The color of the rystals is dark blue - a very rare color! The crystals are very translucent, so they even look better with backlight, I only photographed them under daylight. 

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
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