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Grunerite

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CFL944507

Grunerite

Description Tabs

Description
Locality: 
Moose Mountain Mine, Capreol, Sudbury, Ontario, Canada
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 4.5 × 2 cm
Description

Rare specimen of acicular grunerite crystals in matrix.

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...

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