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Rostite & Clairite

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FDW45503

Rostite & Clairite

(NH4-Fe-Na-Cl Sulphate)
Type Locality

Description Tabs

Description
Locality: 
Anna Mine, Alsdorf, Cologne, North Rhine - Westphalia, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 1.2 cm
Description

This unnamed phase has not been for sale yet. The unnamed phase are the apple-green needles on the matrix. The white material has earlier been analysed as rostite and the yellow as metavoltine. Found by seller in 2005.

See http://www.mindat.org/min-38898.html for the Unnamed phase (NH4-Fe-Na-Cl Sulphate).

High resolution mineral images (tiff 75 MB), for use in articles or to print A3 for your wall, will be provided as download on request.

Mineral Data
What's on the rock

Rostite

Formula: 
Al(SO4)(OH)·5H2O
Strunz: 
7.DB.10
Hardness: 
0.0
Type Locality: 
Kladno Mine (Nejedlý I Mine; Zdeněk Nejedlý Mine; Schoeller Mine; Schöller Mine), Libušin, Kladno, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic

Clairite

Formula: 
(NH4)2Fe3(SO4)4(OH)3·3H2O
Strunz: 
7.DF.55
Hardness: 
0.0
Type Locality: 
Lone Creek Falls cave, Sabie, Pilgrim's Rest, Ehlanzeni District, Mpumalanga Province, South Africa...
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