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On Nemalite from Afghánistán
Published online by Cambridge University Press: 14 March 2018
Extract
In 1887, when I was in charge of the Indian Geological Survey laboratory, a specimen of a mineral recently discovered in Afghanistán was sent to Calcutta by the British Agent at Kábul, with a request for information as to its nature and value. It proved to be nemalite, and a quantitative analysis of it, which was subsequently made by Mr. T. Blyth, is published in the fourth part of A Manual of the Geology of India, p. 161. As it seemed possible that the mineral might be capable of some useful application if plentiful, and it was in any case of mineralogical interest, a request was made to the Agent for further information about it, including the locality where it was found, and for additional specimens,
- Type
- Research Article
- Information
- Mineralogical magazine and journal of the Mineralogical Society , Volume 11 , Issue 52 , May 1897 , pp. 211 - 214
- Copyright
- Copyright © The Mineralogical Society of Great Britain and Ireland 1897
References
page 212 note 1 Dr. Hidden, who was present when this note was read, remarked that the Nemalite of Hoboken, N.J., shows a similar obliquity between the direction of the fibres and that of the walls of the vein.
page 212 note 2 I am indebted to Professor J. W. Judd, C.B., for kindly having the section cut for me, and also for several references bearing on the subject of brueite.
page 212 note 3 Les Mindraux des Roches, 1888, p. 162.
page 218 note 1 With linear magnification of 180.
page 218 note 2 Mg = 21.3 c,, Fe =56.00, H = 1-0076