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Pyrochroite With Calcite

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RAF658512

Pyrochroite With Calcite

Fluorescent

Description Tabs

Description
Locality: 
NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 2 cm
Largest Crystal: 
0.60cm
Weight: 
49.00gr
Description

Rare specimen of Pyrochroite interwoven with Calcite. Very nice shine in the crystals.

Mineral Data
What's on the rock

Pyrochroite

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

Calcite

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