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Microcline & Topaz

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ZLT672800

Microcline & Topaz

Description Tabs

Description
Locality: 
Schoberth Quarry, Rudolfstein, Bavaria, Germany
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
4 × 8 × 5 cm
Description

Crystal of microcline with some gray topaz crystals. From the 1970´s.

Mineral Data
What's on the rock

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
8.0
Streak: 
White

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