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Semseyite from Dumfriesshire1

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:
Mineral Department of the British Museum
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Extract

Early in the year 1918 Mr. Atehur Russell picked up at the old antimony-lead mine at Glendilming in Eskdale, Dumfriesshire, Ipecimens of the antimony-lead ore Jound there, in which were small cavities lined with a drusy layer of mimlte crystals; these, being markedly deeper in eolour than the stibnite forming part of some of the specimens, belonged to a different species, and probably a sulphantimonite of lead. Mr. Russell blought some of the specimens to the Museum, and some of the small crystals were examined with the view of determining the species to which they belong.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 18 , Issue 87 , November 1919 , pp. 354 - 359
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1919

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Footnotes

1

Published by permission of the Trustees of the Briti..h Museum. The paper was read under the title, 'A plagionite-like mineral from Dumfmeashire.'

References

page 354 note 2 A brief description of the mine is given by Robert Jameson in his book, 'A Mineralogical Description of the County of Dumfries,' Edinburgh & London, 1805, pp. 78-74 :-' About ten years ago, a vein of grey antimony ore was opened in Glendinning in Ekdale. The working was continued for tome time with much profit to the adventurers, but it has been lately given up, it as said owing to want of skill in the miners and energy in the proprietors. The vein traverses greywacke; but its extent, direction, dip, or width, I was not able to ascertain, as the workings had fallen in. The vein stones are quartz, and cale-spar ; the ores grey antimony, brown blende, filw-grained lead glazlce, and iron pyrites.'

page 354 note 3 The spccimens are numbered 404 and 405 for the year 1918 in the General Register of Acquisitions in the Mineral Department.

page 335 note 1 Mineralogical Magazine, 1899, vol. xii, pp. 175-182.

page 335 note 2 Luedecke, O., 'Uber die Formen des Plagionits (Rose).' Neues Jahrbuch fur Mineralogie, etc., 1888, ii, pp. 112-116, fig. 2Google Scholar; 'Die Minerale des Harzes,' Berlin, 1896, plate VI, fig. 4. The same crystal is represented, but in a different orientation, as fig. 2 by E. S. Dana in 'System of Mineralogy', sixth edition, 1892. p. 118.

page 336 note 1 The letters iudicate the quality of the reflections, viz. f fair, b bad, s striated.

page 358 note 1 Mineralogical Magazine, 1899, vol. xii, p. 62.

page 358 note 2 Ibid., 1907, vol. xlv, p. 315.

page 358 note 3 O. Luedecke, Neues Jahrbuch fur Mineralogie, etc., 1883, it, p. 116. His value for c is halt that given above.

page 358 note 4 Krenner, J., 'Egy Felsobanyan tabalt uj olomercrol.' A magy. tud. Akad. Ertesitoje, 1881, vol. xv, pp. 111–113 Google Scholar; abstract ' Ueber ein neues Bleierz von Felsobanya.' Zeits. Kryst. Min, 1884, vol. viii, pp. 532-533.