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Columbite & Ankerite

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RAF693900

Columbite & Ankerite

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Description Tabs

Description
Locality: 
NChwaning III Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.6 × 3.5 × 2.7 cm
Largest Crystal: 
0.50cm
Weight: 
163.00gr
Description

A fantastic pink Columbite & Ankerite specimen from N'Chwaning III, Northern Cape, South Africa. With XRD Paper.

 

Mineral Data
What's on the rock

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria