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Actinolite

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SHS813856

Actinolite

Description Tabs

Description
Locality: 
Zillertal, North Tyrol, Tyrol, Austria
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 3.5 × 2.2 cm
Weight: 
50.00gr
Description

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