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Alunogen

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SHS710993

Alunogen

Description Tabs

Description
Locality: 
Somma-Vesuvius, Naples Province, Campania, Italy
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 2.4 × 2 cm
Description

Nice piece of alunogen

Mineral Data
What's on the rock

Alunogen

Formula: 
Al2(SO4)3·17H2O
Strunz: 
7.CB.45
Crystal System: 
Trigonal
Hardness: 
1.5 - 2.0
Streak: 
White