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Alunite

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GMN570289

Alunite

Description Tabs

Description
Locality: 
Bomboly Hill, Mád, Zemplén Mountains, Borsod-Abaúj-Zemplén County, Hungary
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.5 × 6 × 3 cm
Description

Pale brown silky crystalaggregates (up to 5 mm) of tabular crystals on matrix.

One-time find from 2013.

Mineral Data
What's on the rock

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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