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Actinolite

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MCH519057

Actinolite

Description Tabs

Description
Locality: 
Folldal, Innlandet, Norway
Class: 
Crystals on Matrix
Size Range: 
Museum (18cm plus)
Size: 
18 × 10.5 × 6.5 cm
Largest Crystal: 
2.80cm
Weight: 
1 087.00gr
Description

Dark green coloured crystals of actinolite, partly lustrous prismatic enlogated crystals, partly tufted aggregates are embedded in light grey-greenish talc. Collected in 1984.

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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