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On Fermorite, a new arsenate and Phosphate of lime and strontia, and Tilasite, from the manganese-ore deposits of India1

Published online by Cambridge University Press:  14 March 2018

G. F. Herbert Smith  and
G. T. Prior
G. F. Herbert Smith
Affiliation:
Mineral Department of the British Museum
G. T. Prior
Affiliation:
British Museum
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Extract

Analyses of Indian manganese-ores generally show the presence of small amounts of arsenic. The form in which this constituent occurs was discovered by Dr. L. Leigh Fermor in the course of his investigations of these well-known deposits. At two different localities crystalline arsenates were found. One of these occurrences is at the Sitapar deposit in the Chhindwara district, Central Provinces. The pinkish-white to white arsenate found there is the new mineral to which we have given the name fermorite. The other locality at which an arsenate was found is Kajlidongri, Jhabua State, Central India. The pale-green arsenate, somewhat resembling apatite in appearance, which occurs at this locality has been found by us to be identical with the tilasite from Sweden described by Sjögren.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 16 , Issue 74 , October 1911 , pp. 84 - 96
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1911

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Footnotes

1

Communicated by permission of the Trustees of the British Museum.

References

Page 84 note 2 Fermor, L. L., ‘The manganese-ore deposits of India,’ Memoirs of the Geological Survey of India, 1909, vol. xxxvii Google Scholar.

Page 87 note 1 Penfield, S. L. and Foote, H. W., Amer. Journ. Sci., 1898, ser. 4, vol. v, p. 289.CrossRefGoogle Scholar

Page 93 note 1 L. L. Fermor, loc. cit., p. 220.

Page 95 note 1 Sjögren, H., Geol. För. Förhandl., Stockholm, 1895, vol. xvii, p. 291.Google Scholar