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Metasideronatrite & Natrojarosite

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ESM691420

Metasideronatrite & Natrojarosite

Classic Locality

Description Tabs

Description
Locality: 
Sounion Mine #19, Sounion, Lavrion District, Attiki Prefecture, Greece
Class: 
Combination
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 2 × 1.2 cm
Description

Lustrous yellow metasideronatrite crystals with brown natrojarosite crystals on matrix

Mineral Data
What's on the rock

Metasideronatrite

Formula: 
Na2Fe(SO4)2(OH)·H2O
Strunz: 
7.DF.20
Hardness: 
1.5 - 2.5
Type Locality: 
Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile

Natrojarosite

Formula: 
NaFe3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
2.5 - 3.5
Type Locality: 
Soda Springs Valley, Mineral Co., Nevada, USA