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Actinolite

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Watches:
SHS604418

Actinolite

ex. Collection Edgar Franz (Freiberg/Saxony)

Description Tabs

Description
Locality: 
Friedrichsbrunn, Thale, Harz, Saxony - Anhalt, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 6.2 × 4.6 cm
Description

Nice actinolite on matrix

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