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Actinolite

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QRI778006

Actinolite

Former collection Kasper (CH)
Classic Locality

Description Tabs

Description
Locality: 
Tujetsch, Surselva Region, Grisons, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
6.8 × 13.5 × 4 cm
Largest Crystal: 
5.00cm
Weight: 
305.00gr
Description

Classic deep green actinolite crystals cropping out of the grey schist. The crystals are in great conditions, textbook shape, with an exceptional lustre. The specimen comes as part of an evident fold, where actinolite groups are following the fold in the schist.

Classic locality, these actinolites are among the best found in the Alps.

Former collection Kasper (CH).

Pasted Label
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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