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Römerite & Copiapite

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ESM813212

Römerite & Copiapite

Description Tabs

Description
Locality: 
Bankov, Košice, Košice County, Košice Region, Slovakia (Slovak Republic)
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

Lustrous red-brown römerite crystals with minor yellow copiapite crystals (white stuff don't know)

Mineral Data
What's on the rock

Römerite

Formula: 
Fe2+Fe3+2(SO4)4·14H2O
Strunz: 
7.CB.75
Hardness: 
3.0 - 3.5
Type Locality: 
Rammelsberg Mine, Rammelsberg, Goslar, Harz, Lower Saxony, Germany

Copiapite

Formula: 
Fe2+Fe3+4(SO4)6(OH)2·20H2O
Strunz: 
7.DB.35
Hardness: 
2.5 - 3.0
Type Locality: 
Copiapó Province, Atacama Region, Chile