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Actinolite

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GND73501

Actinolite

Collected by seller April 2011

Description Tabs

Description
Locality: 
Arkaroola Region, Flinders Ranges, South Australia, Australia
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 6 × 3.9 cm
Description

A solid mass of pale green interlocking fibrous crystals of actinolite. Actinolite occurs here in the contact zone of ancient volcanic rocks with various zeolite minerals, notably orange stilbite and laumontite as well as epidote and ilmenite.

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