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Tremolite

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BMM873550

Tremolite

Description Tabs

Description
Locality: 
Untersulzbach Valley, Zell am See district, Salzburg, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 4 × 3.5 cm
Description

Lustrous, dark green hedgehog-shaped tremolite crystals on a three-dimensional tremolite matrix. The shiny and translucent crystals reach a length up to 1.2 cm. There are also small golden chalcopyrite crystals between the tremolite. This excellent specimen comes from Untersulzbachtal and is a highlight for an alpine location.

Mineral Data
What's on the rock

Tremolite

Formula: 
☐{Ca2}{Mg5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0
Streak: 
White
Type Locality: 
Campolungo, Piumogna Valley, Leventina, Ticino (Tessin), Switzerland