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Amethyst & Manganoan Calcite

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RAF727863

Amethyst & Manganoan Calcite

Fluorescent

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 4 × 3.1 cm
Largest Crystal: 
0.70cm
Weight: 
45.00gr
Description

An aesthetic Amethyst and Manganoan Calcite specimen from N'Chwaning II Mine. This is a very beautiful little specimen.  Amethyst is extremely rare from  N'Chwaning Mine and only has been found twice.  This is a good example.

Mineral Data
What's on the rock

Amethyst

Variety Of: 

Quartz

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

Manganoan Calcite

Variety Of: 

Calcite

Formula: 
CaCO3
Strunz: 
5.AB.05
Hardness: 
3.0
Formula: 
(Ca,Mn)CO3
Hardness: 
0.0
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