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Alunite

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CHA776434

Alunite

Classic Locality

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Description
Locality: 
Beauvoir Quarry, Échassières, Ébreuil, Allier, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.3 × 2 cm
Description

specimen with many beautiful yellow rounded crystals of alunite on matrix.

For value the dimension of the crystals I remenber you that the photos of my specimens are taken at only 20/40 enlargement!

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

Seller Information

Payment options: offline, paypal_wpp, paypal_wps

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