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Ferro-actinolite With Sphalerite

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GND60904

Ferro-actinolite With Sphalerite

Classic Locality

Description Tabs

Description
Locality: 
Southern Operations Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4.7 × 3.8 cm
Description

A mass of dark, almost black, tightly packed fibrous crystals occur here with massive sphalerite. A species not often seen as specimens on the market.

Mineral Data
What's on the rock

Ferro-actinolite

Formula: 
☐{Ca2}{Fe2+5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Gondwana Minerals