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Arseniosiderite

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JYJ580488

Arseniosiderite

Description Tabs

Description
Locality: 
Romanèche-Thorens, La Chapelle-de-Guinchay, Saône-et-Loire, Bourgogne-Franche-Comté, France
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
9 × 5 × 4 cm
Description

Arseniosiderite in golden crystals as crust on limonitic matrix. This specimen is from the type locality in France from the largest manganese deposit of this country. 

Mineral Data
What's on the rock

Arseniosiderite

Formula: 
Ca2Fe3+3(AsO4)3O2·3H2O
Strunz: 
8.DH.30
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Manganese deposit, Romanèche-Thorens, La Chapelle-de-Guinchay, Saône-et-Loire, Burgundy, France