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Claringbull, G. F., Hey, M. H., Davis, R. J. (1959) Cornubite, a new mineral dimorphous with cornwallite. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (244) 1-5 doi:10.1180/minmag.1959.032.244.01

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Reference TypeJournal (article/letter/editorial)
TitleCornubite, a new mineral dimorphous with cornwallite
JournalMineralogical Magazine and Journal of the Mineralogical Society
AuthorsClaringbull, G. F.Author
Hey, M. H.Author
Davis, R. J.Author
Year1959 (March)Volume32
Issue244
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_32/32-244-1.pdf+
DOIdoi:10.1180/minmag.1959.032.244.01
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Mindat Ref. ID5490Long-form Identifiermindat:1:5:5490:8
GUID0
Full ReferenceClaringbull, G. F., Hey, M. H., Davis, R. J. (1959) Cornubite, a new mineral dimorphous with cornwallite. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (244) 1-5 doi:10.1180/minmag.1959.032.244.01
Plain TextClaringbull, G. F., Hey, M. H., Davis, R. J. (1959) Cornubite, a new mineral dimorphous with cornwallite. Mineralogical Magazine and Journal of the Mineralogical Society, 32 (244) 1-5 doi:10.1180/minmag.1959.032.244.01
In(1959) Mineralogical Magazine Vol. 32 (244) Mineralogical Society
Abstract/NotesSummaryA new copper arsenate, dimorphous with cornwallite, has been found on specimens from five localities in Cornwall, one in Devon, and one in Cumberland. The name cornubite (from Cornubia, the medieval Latin name for Cornwall) is proposed for the new mineral. Chemical analyses of cornubite and cornwallite agree well with Cu5(AsO4)2(OH)4; sp. gr. cornubite 4·64, cornwallite 4·52. X-ray study suggests that the unit-cell of cornubite has a volume of 228 Å.3 or a simple multiple thereof. New X-ray data for cornwallite (a 17·33, b 5·82, c 4·60 Å., β 92° 13′) agree well with L. G. Berry's except for a. Powder data for both are given.

Map of Localities

Locality Pages

LocalityCitation Details
Wheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK
Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK

Mineral Pages

MineralCitation Details
Cornubite
Cornwallite

Mineral Occurrences

LocalityMineral(s)
Wheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK Cornubite, Quartz
Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK Cornubite, Cornwallite


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