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Hisingerite Var Sturtite

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Hisingerite Var Sturtite

Classic Locality

Description Tabs

Description
Locality: 
Broken Hill, New South Wales, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 3.5 × 2.9 cm
Description

Black minerals are not usually exciting but this is a very rich sample of the mineral known locally as sturtite.

It usually forms thin coatings and scales on manganoan calcite and other minerals but this is almost solid sturtite !!

Mineral Data
What's on the rock

Hisingerite

Formula: 
Fe3+2(Si2O5)(OH)4·2H2O
Strunz: 
9.ED.10
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.0
Type Locality: 
Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
Gondwana Minerals