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Alunogen

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CR763552

Alunogen

With Antique Label

Description Tabs

Description
Locality: 
Nová Baňa, Žarnovica County, Banská Bystrica Region, Slovakia (Slovak Republic)
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 7.5 × 5 cm
Description

This is an unusual crystallized alunogen specimen with a fantastic old label.

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