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Danalite

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SKY221830

Danalite

Rare Mineral

Description Tabs

Description
Locality: 
Mount Francisco, Mugarinya Community, Port Hedland Shire, Western Australia, Australia
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.5 × 0.5 cm
Description

Several fragments of the very rare mineral danalite, an iron beryllium silicate. Named after James Dwight Dana (1813-1895) American mineralogist and geologist, Yale University.

Mineral Data
What's on the rock

Danalite

Formula: 
Fe2+4(Be3Si3O12)S
Strunz: 
9.FB.10
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Type Locality: 
Rockport, Essex Co., Massachusetts, USA

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