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Fensterquarz & Calcite

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RAF759676

Fensterquarz & Calcite

Description Tabs

Description
Locality: 
Brandberg, Dâures, Erongo Region, Namibia
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.1 × 2.8 × 2.7 cm
Largest Crystal: 
6.10cm
Weight: 
53.00gr
Description

Window quartz and calcite from Brandberg, very nice specimen.

Mineral Data
What's on the rock

Fensterquarz

Variety Of: 

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Hardness: 
7.0
Hardness: 
0.0

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White