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Hornblende

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SYA856107

Hornblende

Antarctica Expedition GANOVEX III

Description Tabs

Description
Locality: 
Apostrophe Island, Spatulate Ridge, Victoria Land, Eastern Antarctica, Antarctica
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.7 × 1 × 0.4 cm
Description

A crystal cleavage of black hornblende, probably ferro-hornblende.

The specimen was found during the third german antarctica expedition GANOVEX III 1982/83

Hornblende from this locality is seldom available.

Ex collection Dipl.Min. Ulrich Vetter, Hannover - mineralogist of this expedition.

Comes with a - copy - of his original handwritten label.

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

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Shipping Information

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Germany 7 €
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Europe 9 €
9
World 9 € < 500g
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