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Erdite

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SKY757827

Erdite

Type Locality

Description Tabs

Description
Locality: 
Coyote Peak, Coastal Range, Humboldt County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.7 × 0.5 cm
Description

Orange brown acicular crystals of the very rare mineral erdite. The mineral is one of the few sulphides known with sodium in its composition  (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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