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Erythrite Smolyaninovite & Mansfieldite

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BCK645076

Erythrite Smolyaninovite & Mansfieldite

Type Locality

Description Tabs

Description
Locality: 
Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland, Australia
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.3 × 1.4 cm
Description

You are bidding on a fantastic, rich specimen with beautiful sprays of erythrite with tan nests of smolyaninovite fibers. Also present are a few groups of bright pink cobaltian-mansfieldite crystals, black heterogenite and a carpet of alumopharmacosiderite(?, not reported from the locality) cubes. Very rich and very beautiful!

Mineral Data
What's on the rock

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

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

Mansfieldite

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

Seller Information

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