Contribution à la minéralogie de l'indium; découverte en France de deux nouveaux sulfures d'indium et de deux nouvelles occurrences de roquesite  [Mineralogy of indium; discovery in France of two new sulfides of indium and two new occurrences of roquesite]

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Alternate Title:Mineralogy of indium; discovery in France of two new sulfides of indium and two new occurrences of roquesite
Authors:Cantinolle, P.; Laforet, C.; Maurel, C.; Picot, P.; Grangeon, J.
Author Affiliations:Primary:
Serv. géol. natl., B.G.R.M., Orléans 45060, France
Volume Title:Bulletin de Minéralogie
Source:Bulletin de Minéralogie, 108(2), p.245-248. Publisher: Masson, Paris, France. ISSN: 0180-9210
Publication Date:1985
Note:In French with English summary. 9 refs.; illus. incl. 4 anal., 3 tables
Summary:A new indium-bearing mineral species of composition AgInS2 occurs as minute brownish-grey inclusions within galena from Montgros, Haute Loire. It is anisotropic with twin lamellae and shows red internal reflections; reflectances over the range 400-800 nm are reported. Another In-bearing mineral has been found as inclusions in a vein of galena at Yvrandes, Orme; probe analyses indicate a composition (Zn,Fe)2Cu3In3S8. It occurs as rare, small grey-brownish inclusions and is isotropic with no internal reflections. Two new occurrences of roquesite are reported: at La Telhaie, Morbihan, it is found as minute inclusions in galena, and at the Vaulry Sn-W deposit, Haute Vienne, it forms large (250 mu m) plates in bornite. [R.A.H.]
Subjects:Collecting; Inclusions; Mineral inclusions; Mineral localities; Mineralogy; Minerals; New minerals; Petrology; Reflectance; Roquesite; Sulfides; Europe; France; Haute-Loire France; Haute-Vienne France; Morbihan France; Orne France; Western Europe; Indite
Abstract Numbers:85M/4560
Record ID:1987041514
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United Kingdom, Twickenham, United Kingdom, Reference includes data from PASCAL, Institute de l'Information Scientifique et Technique
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