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Bertrandite On Quartz

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RBR26586

Bertrandite On Quartz

Rare Mineral

Description Tabs

Description
Locality: 
Ehrenfriedersdorf, Saxony, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 0.5 × 1 cm
Largest Crystal: 
1.50cm
Description

Four very fine quartz crystals covered by several crystals of bertrandite. The quartz is clear to white with brownish bertrandite up to 4mm size (undamaged). A good contrast. The exactly location is: “Prinzler”-veign, 4th Sohle, Sauberg mine in Ehrenfriedersdorf.

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
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