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Epidote Augite & Apatite

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RPN96705

Epidote Augite & Apatite

Classic Locality

Description Tabs

Description
Locality: 
Seebach Valley, Neukirchen am Großvenediger, Zell am See District, Salzburg, Austria
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.2 × 4.5 × 4 cm
Description

Rich specimen with classic paragenesis in good crystals for this locality. Matrix is amphibolite covered by hundreds of augite and epidote crystals. On the nice shaped silicated a few crystals of well developed apatite are placed.

Backside of the specimen is cutted. An old find from the early 1960s. Old label includet.

Mineral Data
What's on the rock

Epidote

Formula: 
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Colorless
Type Locality: 
Bourg d'Oisans, Isère, Rhône-Alpes, France...

Augite

Formula: 
(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0

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
minhunter

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