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Magnesio-hornblende

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SYM165505

Magnesio-hornblende

Rare Mineral

Description Tabs

Description
Locality: 
Mary Kathleen Mine, Mount Isa, Queensland, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 1.5 × 1.5 cm
Description

Black crystals of magnesio-hornblende

Mineral Data
What's on the rock

Magnesio-hornblende

Formula: 
☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic
Hardness: 
5.0 - 6.0

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