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Metavoltine & Tschermigite

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SHS771283

Metavoltine & Tschermigite

Description Tabs

Description
Locality: 
Carola Mine, Freital, Dresden, Saxony, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.2 × 1 cm
Description

Nice metavoltine and tschermigite on matrix

Mineral Data
What's on the rock

Metavoltine

Formula: 
Na6K2FeFe6(SO4)12O2·18H2O
Strunz: 
7.DF.35
Hardness: 
2.5
Type Locality: 
Zagh Mine (Tangeh Zagh mine; Madeni Zakh), Haji Abad town, Bandar Abbas (Bandar-e Abbas), Bandar-Abbas County, Hormozgan Province, Iran

Tschermigite

Formula: 
(NH4)Al(SO4)2·12H2O
Strunz: 
7.CC.20
Hardness: 
1.5 - 2.0
Type Locality: 
Cermniky (Tschermig), Kadaň (Kaaden), Ústí Region, Bohemia (Böhmen; Boehmen), Czech Republic