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Topaz

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CAM540768

Topaz

Ex Nestler collection
Classic Locality

Description Tabs

Description
Locality: 
Greifenstein Rocks, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 2.5 cm
Largest Crystal: 
0.80cm
Description

A very rare sample from the Greifenstein Rocks with small colourless topaz crystals up to 8 mm on matrix.
Ex Nestler collection, collected in 1937.

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

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