Minerals identify

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Chaidamuite

Sulfate mineral

Chaidamuite is a rare zinc – iron sulfate mineral with chemical formula: ZnFe3+(SO4)2(OH)·4H2O.

It was first described for an occurrence in the Xitieshan mine south of Mt. Qilianshan in the Chaidamu basin, Qinghai Province , China and was named for the locality. It occurs as an oxidation phase in a lead zinc deposit. In the type locality it is associated with the rare minerals: coquimbite , copiapite In addition to the Chinese occurrence it has been reported from the Getchell Mine in the Potosi District in Humboldt County

Identification

Color of mineral

Brown
Yellow

Mohs scale ( mineral hardness )

2.5

The streak

Yellow

Density ( specific gravity )

1.632
1.64
1.688

Luster ( interacts light )

Vitreous

Crystal ( diaphaneity )

Triclinic