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Rostite & Alunite

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SHS557345

Rostite & Alunite

Description Tabs

Description
Locality: 
Kladno District, Central Bohemian Region, Czech Republic
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.5 × 1 cm
Description

Nice rostite and alunite in matrix

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

Alunite

Formula: 
KAl3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Allumiere Quarries, Tolfa, Rome Province, Latium, Italy
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