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Actinolite

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NST605837

Actinolite

With Antique Label

Description Tabs

Description
Locality: 
Prägraten am Großvenediger, Lienz District, Tyrol, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 4.5 × 3 cm
Largest Crystal: 
2.50cm
Description

A sample of lustrous dark green actinolite from Prägraten. Comes with a handwritten label of Dr. Ing. H. Maucher.

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