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Apatite On Adularia

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BMM726206

Apatite On Adularia

Description Tabs

Description
Locality: 
Prehnitinsel, Kratzenberg, Habach Valley, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.3 × 4.2 × 2.1 cm
Description

A very rare alpine specimen: highly glossy light purple apatite of up to 1 cm length on adularia. The apatites are glassy and transparent with slightly textured faces. Very good contrast to the shiny green chlorite pollinated adularia. Crystallized as floater specimen - no significant damage to report!

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

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase