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Bertrandite On Quartz

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CAM552311

Bertrandite On Quartz

Description Tabs

Description
Locality: 
Dörfel Quarry, Dörfel, Schlettau, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3 × 2.3 cm
Largest Crystal: 
1.00cm
Description

Fanlike groups of white crystals of bertrandite up to 1 cm on quartz crystals. A very good specimen from Annaberg, Saxony.

Mineral Data
What's on the rock

Bertrandite

Formula: 
Be4(Si2O7)(OH)2
Strunz: 
9.BD.05
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 7.0
Type Locality: 
Petit-Port, Nantes, Loire-Atlantique, Pays de Loire, France

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Cartils Minerals

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