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Ranciéite

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ESM527531

Ranciéite

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Description
Locality: 
Siresol Mine, Montecchio, Verona Province, Veneto, Italy
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.2 × 1.1 cm
Description

Lustrous metallic rancieite crystals

Mineral Data
What's on the rock

Ranciéite

Formula: 
(Ca,Mn)Mn4O9·3H2O
Strunz: 
4.FL.40
Crystal System: 
Hexagonal
Hardness: 
2.5 - 3.0
Type Locality: 
Le Rancié Mine, Sem, Vicdessos, Ariège, Midi-Pyrénées, France
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