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Topaz & Orthoclase

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ESM691461

Topaz & Orthoclase

Description Tabs

Description
Locality: 
Spitzkopje Area, Karibib, Erongo Region, Namibia
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
2.7 × 5 × 4 cm
Description

Sharp topaz crystals perched on orthoclase

Mineral Data
What's on the rock

Topaz

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

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White
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