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Hornblende

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CLB637716

Hornblende

Classic Locality

Description Tabs

Description
Locality: 
Ötz Valley, North Tyrol, Tyrol, Austria
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
10.3 × 6 × 3 cm
Description

Radiating groups of glossy black hornblende crystals on matrix.
 

Mineral Data
What's on the rock

Hornblende

Synonym Of: 

Ferro-hornblende

Formula: 
☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0

Magnesio-hornblende

Formula: 
☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0

Seller Information

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