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Actinolite

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NST620706

Actinolite

Description Tabs

Description
Locality: 
Kaprun valley, Salzburg, Austria
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 5 × 4.5 cm
Description

Lustrous green actinolite crystals in mica shist.

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
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