IMA commission on new minerals, nomenclature and classification (CNMNC) NEWSLETTER 46: New minerals and nomenclature modifications approved in 2018 IMA No.2018-082 Ramaccioniite

Abstract

RamaccioniiteCu4[SeO4](OH)6 Mina San Pedro, Cuesta de Los Llantenes mining district, NW Jagué, Vinchina Department, La Rioja Province, Argentina (28° 20-40´S, 68° 30-45´W).Christian L. Lengauer*, Martin Ende, Dan Topa, Raúl Lira and Werner H. Paar*E-mail: christian.lengauer@univie.ac.at The Se analogue of brochantite. Monoclinic: P21/a; structure a = 13.3703(3), b = 9.9547(2), c = 6.0412(3) A˚, beta = 103.150(3)°, 6.511(100), 5.448(21), 3.978(23), 3.952(46), 3.255(85), 3.215(15), 2.724(46), 2.533(37).Type material is deposited in the mineralogical collections of the Naturhistorisches Museum Wien, Burgring. 7, 1010 Wien, Austria, catalogue number O 573. How to cite: Lengauer, C.L., Ende, M., Topa, D., Lira, R. and Paar, W.H. (2018) Ramaccioniite, IMA 2018-082. CNMNC Newsletter No. 46, December 2018, page 1183; European Journal of Mineralogy, 30, 1181-1189.