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Melanterite

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DVE106398

Melanterite

Ex-John H. Eicher Collection; ex-David J. Eicher Collection

Description Tabs

Description
Locality: 
Butte, Silver Bow County, Montana, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 1.5 × 1.5 cm
Description

Powdery aggregates of melanterite colored sea green by copper, from an old collection. The dimension given is for the largest piece. The glass jar shown here has a diameter of 5.3 cm. Collected by John H. Eicher in the 1930s.

Mineral Data
What's on the rock

Melanterite

Formula: 
FeSO4·7H2O
Strunz: 
7.CB.35
Hardness: 
2.0
Streak: 
White.
David J. Eicher

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