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Bertrandite & Quartz

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ESM685304

Bertrandite & Quartz

Classic Locality

Description Tabs

Description
Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 0.4 × 0.3 cm
Description

Reddish-brown bertrandite crystals perched on a clear quartz crystal

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