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Hornblende

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TPX975260

Hornblende

Classic Locality

Description Tabs

Description
Locality: 
Studsdalen, Kragerø, Vestfold og Telemark, Norway
Class: 
Single Crystal
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 3.8 × 1.7 cm
Weight: 
80.00gr
Description

Very pretty and large hornblende crystal from this classic Norwegian locality.

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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