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Ferro-hornblende

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RHT682649

Ferro-hornblende

Classic Locality

Description Tabs

Description
Locality: 
Vizze Valley, South Tirol, Trentino-Alto Adige, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9.6 × 4.2 × 3 cm
Description

Glossy black hornblende on matrix.

Mineral Data
What's on the rock

Ferro-hornblende

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