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Mansfieldite Smolyaninovite & Erythrite

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JYJ690270

Mansfieldite Smolyaninovite & Erythrite

SEM-EDS conf.

Description Tabs

Description
Locality: 
Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland, Australia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.6 × 1.7 × 0.7 cm
Description

SEM-EDS conf. cobaltoan mansfieldite rosettes with acicular erythrite and minor Smolyaninovite .

Old material.

Mineral Data
What's on the rock

Mansfieldite

Formula: 
AlAsO4·2H2O
Strunz: 
8.CD.10
Hardness: 
3.5 - 4.0
Type Locality: 
Hobart Butte, Black Butte District, Lane Co., Oregon, USA

Smolyaninovite

Formula: 
(Co,Ni,Mg,Ca)3(Fe3+,Al)2(AsO4)4·11H2O
Strunz: 
8.CH.55
Crystal System: 
Orthorhombic
Hardness: 
2.0
Colour: 
Yellow
Type Locality: 
Khovu-Aksy Ni-Co deposit, Tuva Republic, Eastern-Siberian Region, Russia

Erythrite

Formula: 
Co3(AsO4)2·8H2O
Strunz: 
8.CE.40
Hardness: 
1.5 - 2.5
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany