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Orlymanite With Manganoan Calcite

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RAF669781

Orlymanite With Manganoan Calcite

Fluorescent

Description Tabs

Description
Locality: 
NChwaning I Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5 × 3 cm
Largest Crystal: 
5.50cm
Weight: 
130.00gr
Description

Orlymanite with Manganocalcite from N'Chwaning 1.  Orlymanite is wxtreemly rare...

Mineral Data
What's on the rock

Orlymanite

Formula: 
Ca4Mn3Si8O20(OH)6·2H2O
Strunz: 
9.EE.30
Crystal System: 
Trigonal
Hardness: 
4.0 - 5.0
Type Locality: 
Wessels Mine (Wessel's Mine), Hotazel, Kalahari manganese field, Northern Cape Province, South Africa...

Manganoan Calcite

Variety Of: 

Calcite

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