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Thirteenth List of New Mineral Names. 1 by L. J. SPENCER, M.A., Sc.D., F.R.S
624 Thirteenth list of new mineral names. 1 By L. J. SPENCER, M.A., Sc.D., F.R.S. Keeper of Minerals in the British Museum of Natural History. [Communicated June 7, 1934.] Alkanasul. J. Westman, 1931. Bol. Minero Soc. Nac. Mineria, Santiago de Chile, vol. 43 (a5o 47), p. 433; Zeits. Prakt. Geol., 1932, vol. 40, p. 110. Hydrous basic sulphate of aluminium, potassium, and sodium, K2SO4.Na~SO4.2AI2(SO4)a.6AI(OH)3.6H~O , yellowish-white to bluish-grey, massive, occurring in large amount near Salamanca, Chile. Named from the chemical composition. [Evidently identical with natroalunite.] [M.A. 5-200.] Alleghanyite. C. S. Ross and P. F. Kerr, 1932. Amer. Min., vol. 17, p. 7. Manganese silicate, 5MnO.2Si02, as pink orthorhombic grains, considered to be distinct from tephroite [2MnO.Si02]. Named from the locality, Alleghany County, North Carolina. [M.A. 5-50.] Alumo-chalcosiderite. A. Jahn and E. Gruner, 1933. Mitt. Vogtliind. Gesell. Naturfor., vol. 1, no. 8, p. 19 (Alumo-Chalkosi- derit). A variety of chalcosiderite containing some alumina (Al~O a 10.45 %) replacing ferric oxide. [M.A. 5-391.] Amarillite. H. Ungemach, 1933. Compt. Rend. Acad. Sci. Paris, vol. 197, p. 1133; Bull. Soc. Fran~. Min., [1934], vol. 56 (for 1933), p. 303. Hydrated sulphate of sodium and ferric iron NaFe(SO4)2.6HzO, as yellow monoclinic crystals from Tierra Amarilla, Chile. Named from the locality. [M.A. 5-390.] 1 Previous lists of this series have been given every three years at the ends of vols. 11-22 (1897-1931) of this Magazine. -
Geology of the Saint-Marcel Valley Metaophiolites (Northwestern Alps, Italy)
Journal of Maps ISSN: (Print) 1744-5647 (Online) Journal homepage: http://www.tandfonline.com/loi/tjom20 Geology of the Saint-Marcel valley metaophiolites (Northwestern Alps, Italy) Paola Tartarotti, Silvana Martin, Bruno Monopoli, Luca Benciolini, Alessio Schiavo, Riccardo Campana & Irene Vigni To cite this article: Paola Tartarotti, Silvana Martin, Bruno Monopoli, Luca Benciolini, Alessio Schiavo, Riccardo Campana & Irene Vigni (2017) Geology of the Saint-Marcel valley metaophiolites (Northwestern Alps, Italy), Journal of Maps, 13:2, 707-717, DOI: 10.1080/17445647.2017.1355853 To link to this article: http://dx.doi.org/10.1080/17445647.2017.1355853 © 2017 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of Journal of Maps View supplementary material Published online: 31 Jul 2017. Submit your article to this journal Article views: 24 View related articles View Crossmark data Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=tjom20 Download by: [Università degli Studi di Milano] Date: 08 August 2017, At: 01:46 JOURNAL OF MAPS, 2017 VOL. 13, NO. 2, 707–717 https://doi.org/10.1080/17445647.2017.1355853 SCIENCE Geology of the Saint-Marcel valley metaophiolites (Northwestern Alps, Italy) Paola Tartarottia, Silvana Martinb, Bruno Monopolic, Luca Benciolinid, Alessio Schiavoc, Riccardo Campanae and Irene Vignic aDipartimento di Scienze della Terra “Ardito Desio”, Università degli Studi di Milano, Milan, Italy; bDipartimento di -
The Metallurgy of Antimony
Chemie der Erde 72 (2012) S4, 3–8 Contents lists available at SciVerse ScienceDirect Chemie der Erde journal homepage: www.elsevier.de/chemer The metallurgy of antimony Corby G. Anderson ∗ Kroll Institute for Extractive Metallurgy, George S. Ansell Department of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO 80401, United States article info abstract Article history: Globally, the primary production of antimony is now isolated to a few countries and is dominated by Received 4 October 2011 China. As such it is currently deemed a critical and strategic material for modern society. The metallurgical Accepted 10 April 2012 principles utilized in antimony production are wide ranging. This paper will outline the mineral pro- cessing, pyrometallurgical, hydrometallurgical and electrometallurgical concepts used in the industrial Keywords: primary production of antimony. As well an overview of the occurrence, reserves, end uses, production, Antimony and quality will be provided. Stibnite © 2012 Elsevier GmbH. All rights reserved. Tetrahedrite Pyrometallurgy Hydrometallurgy Electrometallurgy Mineral processing Extractive metallurgy Production 1. Background bullets and armory. The start of mass production of automobiles gave a further boost to antimony, as it is a major constituent of Antimony is a silvery, white, brittle, crystalline solid that lead-acid batteries. The major use for antimony is now as a trioxide exhibits poor conductivity of electricity and heat. It has an atomic for flame-retardants. number of 51, an atomic weight of 122 and a density of 6.697 kg/m3 ◦ ◦ at 26 C. Antimony metal, also known as ‘regulus’, melts at 630 C 2. Occurrence and mineralogy and boils at 1380 ◦C. -