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Actinolite

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RPL171500

Actinolite

Description Tabs

Description
Locality: 
Zemmgrund, Zillertal, North Tyrol, Tyrol, Austria
Size Range: 
Museum (18cm plus)
Size: 
20 × 9 × 6 cm
Largest Crystal: 
6.00cm
Description

Deep green actinolite in silvery talc. An almost continuous group of large actinolite crystals forms one edge. Displays well with two main faces. Weighs 1.2kg.

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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