Chaidamuite
A variety of Minerals
What is Chaidamuite?
Chaidamuite is a rare zinc – iron sulfate mineral with chemical formula: ZnFe(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, butlerite and zincobotryogen. In addition to the Chinese occurrence it has been reported from the Getchell Mine in the Potosi District in Humboldt County, Nevada.
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Chaidamuite Localities Map
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Quick Facts
Physical Properties
- Color
- Brown to yellowish-brown
- Hardness (Mohs)
- 2.5 - 3
- Density
- 2.72 g/cm³
- Streak
- Pale yellow
Chemical Properties
- Chemical Formula
- ZnFe3+(SO4)2(OH) · 4H2O
- Elements
- Fe, H, O, S, Zn

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