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Metasideronatrite

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CLB158530

Metasideronatrite

ex collection Dr. Thomas Krassmann
Rare Mineral

Description Tabs

Description
Locality: 
Namib Lead Mine, Rössing Mountains, Arandis, Erongo Region, Namibia
Size Range: 
Cabinet (10-18 cm)
Size: 
10.8 × 7.5 × 3.4 cm
Description

I found a few more fine samples of massive ocher-colored metasideronatrite with fine micro crystals on my attic. The material was discovered by Dr. Thomas Krassmann and analyzed by Dr. Kolitzsch. This is the biggest and one of the best of a handful of specimen left.

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

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