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Erdite

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SKY199883

Erdite

Type Locality

Description Tabs

Description
Locality: 
Coyote Peak, Coastal Range, Humboldt County, California, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 1 × 1 cm
Description

Orange brown crystal aggregates of the very rare mineral erdite. The mineral is one of the few sulphides with sodium in its composition known (NaFeS2 · 2H2O), and has only been found in 4 localities worldwide.

Mineral Data
What's on the rock

Erdite

Formula: 
NaFeS2·2H2O
Strunz: 
2.FD.20
Crystal System: 
Monoclinic
Hardness: 
2.0
Streak: 
Black
Type Locality: 
Coyote Peak, Coastal Range, Humboldt Co., California, USA

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