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An occurrence of grunerite at Pierrefitte, Hautes-Pyrénées, France

Published online by Cambridge University Press:  14 March 2018

Harry V. Warren
Harry V. Warren*
Affiliation:
Queen's College, Oxford
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Extract

As grunerite is a somewhat uncommon mineral, and as its occurrence at Pierrefitte in association with lead and zinc ore is unusual, if not unique, it may be worth while to put on record the following notes on some material which I collected during an examination of the Pierrefitte deposits.

The name 'grunerite' was originally given to a fibrous mineral approximating in composition to FeSiO3 and occurring with magnetite and garnet at Collobrières in the dept. of Var, in the south of France, which was described by Gruner in 1847. It was originally supposed to be a pyroxene, but was later shown by Des Cloizeaux and Lacroix to belong to the amphibole group. A similar mineral occurs in the iron deposits of the Lake Superior district, and elsewhere ; but it has not been recorded from the Pyrenees.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 22 , Issue 132 , March 1931 , pp. 477 - 481
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1931

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References

page 477 note 1 The name of the mineral is often erroneously spelt grünerite. The name grunerite (Grunerit) was given to it by A. Kenngott (Das Mohs’sche Mineralsystem, 1853, p. 69) in honour of E. L. Gruner, who first described it in 1847 (Compt. Rend. Acad. Sei. Paris, 1847, vol. 24, p. 794; Annales des Mines, Paris, 1848, ser. 4, vol. 14, pp. 284-301). Emmanuel Louis Gruner (1809—1883) was at that time professor at the École des Mineurs, St. Étienne, and afterwards Inspecteur Général des Mines, and professor at the École des Mines in Paris.

page 477 note 2 A. C. Lane and F. F. Sharpless, Amer. Journ. Sci., 1891, ser. 3, vol. 42, p. 505. S. Richarz, Amer. Journ. Sei., 1927, ser. 5, vol. 14, p. 150. [Min. Abstr., vol. 3, p. 375.]

page 480 note 1 S. Richarz, loc. cit., p. 153.

page 481 note 1 E. L. Gruner, loc. cit.; A.Lacroix, Bull. Soc. Franç;. Min., 1886, vol. 9, p. 40.

page 481 note 2 S. Kreutz, loc. cit.

page 481 note 3 S. Richarz, loc. cit.

page 481 note 4 C. R. Van Hise, A treatise on metamorphism. Monogr. U.S. Geol. Survey, 1904, no. 47, pp. 244, 834.

page 481 note 5 F. Beyschlag, J. H. L. Vogt, and P. Krusch, The deposits of the useful minerals and rocks. Translated by S. J. Truseott, 1914-16, p. 1059.