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Topaz Var Pyknite & Zinnwaldite

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ESM640205

Topaz Var Pyknite & Zinnwaldite

Description Tabs

Description
Locality: 
Altenberg, Erzgebirge, Saxony, Germany
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
5 × 10.5 × 8.7 cm
Description

Pale yellow pyknite intergrown with quartz and dark zinnwaldite

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

Pyknite

Variety Of: 

Topaz

Formula: 
Al2(SiO4)(F,OH)2
Strunz: 
9.AF.35
Hardness: 
8.0
Hardness: 
0.0
Streak: 
white