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Lazulite Apatite & Breunnerite

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RHT844041

Lazulite Apatite & Breunnerite

Classic Locality

Description Tabs

Description
Locality: 
Färbergraben, Werfen, St Johann im Pongau District, Salzburg, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.2 × 6 × 3.8 cm
Weight: 
276.00gr
Description

Pale blue lazulite with grayish green-brown massy apatite (in the first picture on the left side and last picture), coffee-brown breunnerite and probably strontium-bearing baryte (colorless).

Mineral Data
What's on the rock

Lazulite

Formula: 
(Mg,Fe2+)Al2(PO4)2(OH)2
Strunz: 
8.BB.40
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Freßnitzgraben, Krieglach, Fischbacher Alpen, Styria, Austria

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

Breunnerite

Variety Of: 

Ferroan Magnesite

Formula: 
(Mg,Fe)CO3
Hardness: 
0.0
Formula: 
(Mg,Fe)CO3
Hardness: 
0.0