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Calcite With Pyrochroite

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RAF669991

Calcite With Pyrochroite

Fluorescent

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 5.2 × 3 cm
Largest Crystal: 
1.50cm
Weight: 
128.00gr
Description

Calcite intergrown with pyrochroite from N'Chwaning 11 mine.  A very fine specimen...Calcite is fluorescent...

Mineral Data
What's on the rock

Calcite

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

Pyrochroite

Formula: 
Mn(OH)2
Strunz: 
4.FE.05
Hardness: 
2.5 - 3.0
Type Locality: 
Pajsberg Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden