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Topaz Var Pyknite & Zinnwaldite

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CLB527355

Topaz Var Pyknite & Zinnwaldite

Classic Locality

Description Tabs

Description
Locality: 
Altenberg, Erzgebirge, Saxony, Germany
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.9 × 6.4 × 6.3 cm
Description

Very good sample of the rare yellow topaz-variety pyknite. Pyknite was only found at 5 localities wordwide, Altenberg the only one providing good quality material. Zinnwaldite is very glossy and almost black at this locality.

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

Seller Information

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