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Unnamed (MSH UK-86) & Erdite

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SYM1030842

Unnamed (MSH UK-86) & Erdite

Rare Mineral

Description Tabs

Description
Locality: 
Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.3 × 0.2 cm
Description

Rich specimen of UK 86 (erdite exposed to air) with copper wires of erdite (in analcime).

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