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Clairite Rostite

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Clairite Rostite

Description Tabs

Description
Locality: 
Anna Mine, Alsdorf, Cologne, North Rhine - Westphalia, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 2.6 × 1.6 cm
Description

 this very rare Ammonium-Iron-Sulfate occurs as glassy yellow well terminated crystals to 1 mm, together with white Rostite on colorless Tschermingite matrix

Mineral Data
What's on the rock

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...

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
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