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Alunite

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GFM629112

Alunite

Rare Mineral

Description Tabs

Description
Locality: 
Bomboly Hill, Mád, Zemplén Mountains, Borsod-Abaúj-Zemplén County, Hungary
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.5 × 3 × 1 cm
Description

nice crystal clusters of brownish (inclusion of hematite) highly lustrous crystals of 5 mm;

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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