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Quartz & Actinolite

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CLB187252

Quartz & Actinolite

ex collection Franco Chianale
Classic Locality

Description Tabs

Description
Locality: 
Argentière, Mont Blanc, Chamonix, Haute-Savoie, Auvergne-Rhône-Alpes, France
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.3 × 2.5 cm
Largest Crystal: 
3.00cm
Description

Very pretty rock crystal group with dark green actinolite inclusions.

Mineral Data
What's on the rock

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White

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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