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Apatite & Dolomite

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MGR956147

Apatite & Dolomite

Classic Locality

Description Tabs

Description
Locality: 
Hohentauern, Murtal District, Styria, Austria
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.4 × 7.5 × 8 cm
Description

Excellent combination from Austria. A base which is built up of dozens of intergrown dolomite crystals with a grey and slightly lustrous appearence which is hosting three super well crystallised apatites on top. These lustrous crystals show a nice smooth orange to brownish colour and a good transparency. The main crystal is even nicely balanced on the very top of the specimen.

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

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White