Russellite
From Wikipedia, the free encyclopedia
Russellite | |
---|---|
Category | Tungstate minerals |
Chemical formula | (BiO2)[WO4] |
Identification | |
Color | yellow-green, yellow |
Crystal system | orthorhombic |
Mohs Scale hardness | 3½ |
Dispersion | relatively strong |
Density | 7.33 - 7.37 g/cm3 |
References | Mindat.org |
Russellite is a mineral with the chemical formula (BiO2)[WO4].[1]
In the orthorhombic crystal system, Russellite is yellow or yellow-green in colour, with a Mohs hardness of 3½.[1]
Russellite is named for the mineralogist Sir Arthur Russell, and the type locality is the Castle-an-Dinas Mine,[1] near St Columb Major in Cornwall, where it was found in wolframite.[2]
[edit] References
- ^ a b c Russellite: Russellite mineral information and data
- ^ Embrey, P. G.; Symes, R. F. (1987). "The Mines and Mining", Minerals of Cornwall and Devon. London: British Museum (Natural History), p.54. ISBN 0565009893.
|