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Natroalunite

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SHS682829

Natroalunite

ex. dealer stock Peter Bosse (Kassel/Germany)

Description Tabs

Description
Locality: 
Okumanza Hot Spring, Gumna, Honshu Island, Japan
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1.5 cm
Description

Natroalunite on matrix

Mineral Data
What's on the rock

Natroalunite

Formula: 
NaAl3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Red Mountain District, Ouray Co., Colorado, USA