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Pyrophanite from the Benallt mine, Rhiw, Carnarvonshire

Published online by Cambridge University Press:  14 March 2018

W. Campbell Smith  and
G. F. Claringbull
W. Campbell Smith
Affiliation:
Department of Mineralogy, British Museum
G. F. Claringbull
Affiliation:
Department of Mineralogy, British Museum
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Extract

Pyrophanite was recorded by one of us in a recent paper as one of the minerals occurring at the Benallt manganese mine in the vein from which material for the chemical analyses of the new manganese-rich chlorite, pennantite, was separated. As this was only the third record of pyrophanite in the world it seems necessary to give, very briefly, the evidence for its identification.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 28 , Issue 197 , June 1947 , pp. 108 - 110
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1947

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References

page 108 note 1 Smith, W. Campbell. Min. Mag., 1946, vol. 27, p. 218.CrossRefGoogle Scholar

page 108 note 2 Hamberg, A.. Geol. För. Förh. Stockholm, 1890, vol. 12, p. 598.CrossRefGoogle Scholar

page 108 note 3 Derby, O. A., Amer. Journ. Sci., 1901, ser. 4, vol. 12, p. 21; 1908, ser. 4, vol. 25, p. 215.Google Scholar

page 110 note 1 Zeits. Krist., 1934, vol. 88, pp. 276–278. [M.A. 6–45.]