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Actinolite & Calcite

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PJM60379

Actinolite & Calcite

Description Tabs

Description
Locality: 
Hampshire Mining District, Ridgley, Tasmania, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.2 × 1.1 cm
Description

A dark olive green cluster of fine acicular actinolite in tuffs and sprays on a massive actinolite matrix and finished with several translucent spheres of calcite crystals.

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

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White
Earthstones Australia

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