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Agardite & Arseniosiderite

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STY137129

Agardite & Arseniosiderite

Rare Mineral

Description Tabs

Description
Locality: 
Katharina II Mine, Imsbach, Donnersbergkreis, Rhineland-Palatinate, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 2.4 × 1.1 cm
Description

Many green agardite tufts with arseniosiderite on matrix. Dark green, needle shaped crystals seem to be olivenite.

Mineral Data
What's on the rock

Agardite

Synonym Of: 

Agardite-(Ce)

Formula: 
CeCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(La)

Formula: 
LaCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Nd)

Formula: 
NdCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

Agardite-(Y)

Formula: 
YCu6(AsO4)3(OH)6·3H2O
Strunz: 
8.DL.15
Hardness: 
3.0 - 4.0

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
Styriamin

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