Arthurite
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Arthurite | |
---|---|
General | |
Category | Phosphate minerals Arsenate minerals Vanadate minerals |
Chemical formula | CuFe23+[(OH,O)(AsO4,PO4,SO4)]2·4H2O |
Identification | |
Color | Apple-green |
Crystal system | monoclinic |
Mohs Scale hardness | 3-4 |
Luster | vitreous |
Dispersion | r > v |
Streak | not reported |
Arthurite is a mineral with the chemical formula CuFe23+[(OH,O)|(AsO4,PO4,SO4)]2·4H2O[1]
In the monoclinic crystal system, it is apple-green in colour, with a Mohs hardness of 3-4, and a vitreous lustre.[1]
Arthurite is named for the mineralogists Sir Arthur Russell and Arthur W. G. Kingsbury. [1]
The type locality is the Hingston Down Consols mine near Gunnislake in Cornwall, in the United Kingdom, where it was discovered in 1964.[1][2]
[edit] References
- ^ a b c d Arthurite: Arthurite 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.58. ISBN 0565009893.