Arthurite

Infobox mineral
name = Arthurite
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formula = CuFe₂³⁺ [(OH,O)(AsO₄,PO₄,SO₄)] ₂·4H₂O
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color = Apple-green
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system = monoclinic
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mohs = 3-4
luster = vitreous
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dispersion = r > v
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streak = not reported
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Arthurite is a mineral with the chemical formula CuFe₂³⁺ [(OH,O)|(AsO₄,PO₄,SO₄)] ₂·4H₂O [http://www.mindat.org/min-376.html Arthurite: Arthurite mineral information and data ] ]

In the monoclinic crystal system, it is apple-green in colour, with a Mohs hardness of 3-4, and a vitreous lustre.

Arthurite is named for the mineralogists Sir Arthur Russell and Arthur W. G. Kingsbury.

The type locality is the Hingston Down Consols mine near Gunnislake in Cornwall, in the United Kingdom, where it was discovered in 1964. [cite book |last=Embrey |first=P. G. |authorlink= |coauthors= Symes, R. F. |title= Minerals of Cornwall and Devon |origdate= |origyear= 1987 |publisher= British Museum (Natural History)|location= London|language= |isbn= 0565009893|oclc= |doi= |id= |pages= p.58|chapter= The mines and mining ]

References