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Kyanite With Omphacite & Pyrope

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SKI572857

Kyanite With Omphacite & Pyrope

Description Tabs

Description
Locality: 
Timmelbach Valley, Prägraten, Virgen Valley, East Tyrol, Tyrol, Austria
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 6 × 6 cm
Weight: 
430.00gr
Description

Bicoloured kyanite with eclogite matrix from "Eissee-Timmelbachtal", Austria. Interesting combination for an alpine high P/T metamorphic rock. Comes with the handwritten card of the J. Treutlein collection. Self collected by him in August 1977.

Mineral Data
What's on the rock

Kyanite

Formula: 
Al2(SiO4)O
Strunz: 
9.AF.15
Crystal System: 
Triclinic Forms long bladed crystals.
Hardness: 
5.5 - 7.0
Streak: 
Colorless

Omphacite

Formula: 
(Ca,Na)(Mg,Al)Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.20
Hardness: 
5.0 - 6.0
Type Locality: 
Eclogite outcrops, Weißenstein, Stammbach, Münchberg Metamorphic complex, Franconia, Bavaria, Germany

Pyrope

Formula: 
Mg3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
7.5
Streak: 
White
Type Locality: 
Czech Republic

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