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Alum-(K)

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CHA692688

Alum-(K)

Classic Locality

Description Tabs

Description
Locality: 
Lichtenberg Absetzer Dump, Ronneburg Uranium Deposit, Gera, Thuringia, Germany
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.1 × 1 × 0.9 cm
Description

very good colourless perfect crystal of alum-k from this classic locality

Mineral Data
What's on the rock

Alum-(K)

Formula: 
KAl(SO4)2·12H2O
Strunz: 
7.CC.20
Hardness: 
2.0

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