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Actinolite

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CR632984

Actinolite

Description Tabs

Description
Locality: 
Stubach Valley, Zell am See District, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
15 × 8 × 5 cm
Description

Beautiful sharp, black green actinolite crystals in matrix.

Ex Prof. Gösswein collection

Ex Wolfgang Wendel collection.

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