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Actinolite

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Actinolite

Classic Locality

Description Tabs

Description
Locality: 
Zinc Corporation Mine, Broken Hill, Yancowinna County, New South Wales, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.2 × 4.1 × 3.7 cm
Description

Am excellent locality specimen of actinolite. It forms a coarse seam of fibrous crystals. The dark colour olive colour is probably due to an increase in the iron content of the mineral, which is noted at Broken Hill.

Mineral Data
What's on the rock

Actinolite

Formula: 
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic - Prismatic
Hardness: 
5.0 - 6.0
Streak: 
White
Gondwana Minerals