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Siderite & Calcite

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RAF693938

Siderite & Calcite

Description Tabs

Description
Locality: 
Brandberg, Dâures, Erongo Region, Namibia
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.8 × 6.3 × 2.4 cm
Largest Crystal: 
0.30cm
Weight: 
103.00gr
Description

A fantastic Siderite & Calcite specimen from Brandberg, Namibia.

 

Mineral Data
What's on the rock

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Calcite

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