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Hornblende In Magnetite

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CYF706769

Hornblende In Magnetite

Description Tabs

Description
Locality: 
Vestfold Hills, Ingrid Christensen Coast, Princess Elizabeth Land, Eastern Antarctica, Antarctica
Class: 
Combination
Size Range: 
Museum (18cm plus)
Size: 
26 × 6 × 6 cm
Description

A large specimen of Hornblende in Magnetite from Antarctica! Very hard to get location and perfectly fine to own as it was acquired prior to the mineral treaty. This specimen is heavy hence the shipping costs.

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

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black