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Grunerite Var Amosite

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PDM710447

Grunerite Var Amosite

Description Tabs

Description
Locality: 
Penge Mine, Sekhukhune, Limpopo Province, South Africa
Class: 
Crystal Group/Cluster
Size Range: 
Museum (18cm plus)
Size: 
21.5 × 3.5 × 1.5 cm
Description

Very long, greenish-grey fibrous crystals of grunerite, variety amosite, from the Penge Mine (South Africa).

Acquired in the 1960’s by Gilbert Gauthier in a collecting trip throw South Africa. Ex René Virlet specimen.

Mineral Data
What's on the rock

Grunerite

Formula: 
☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Strunz: 
9.DE.05
Hardness: 
5.0 - 6.0
Colour: 
nd
Streak: 
nd
Type Locality: 
Sarvengude ravine, Collobrières, Var, Provence-Alpes-Côte d'Azur, France...

Amosite

Variety Of: 

Grunerite

Formula: 
☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2
Strunz: 
9.DE.05
Hardness: 
5.0 - 6.0
Hardness: 
0.0

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