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Ferro-hornblende

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PDM993624

Ferro-hornblende

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Description
Locality: 
Carboneras, Almeria, Andalusia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.7 × 3.3 cm
Weight: 
38.00gr
Description

Black prismatic crystals of ferro-hornblende in a whitish altered volcanic tuff rock. Collected in 04/2010 by I.Blanco.

Combine specimens to reduce shipping costs!.

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

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