parsettensite

parsettensite

[pär′set·ən‚zīt]
(mineralogy)
Mn5Si6O13(OH)8 A copper-red mineral composed of hydrous silicate of manganese.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Fengjiashan Hubei amethyst, apophyllite, braunite, calcite, chalcopyrite, datolite, hubeite, ilvaite, inesite, japanese twins, pyrite, stilbite/stellarite, wollastonite Fenglin Jiangxi chalcocite Fengsandong Hubei amethyst, bornite, apophyllite, chalcopyrite, datolite, inesite, molybdenite, pyrite, parsettensite, stilbite Fushan Hebei vesuvianite, hematite Fushun Liaoning amber Fuyun Xinjiang, aquamarine, fluorite, garnet, hiddennite, Uygur A.R.
According to the literature (Cortesogno et al., 1979; Antofilli et al., 1983) the micaceous specimens once labeled as parsettensite are to be considered ganophyllite.
Parsettensite (K,Na,Ca)[(Mn,Al).sub.7][Si.sub.8][O.sub.20][(OH).sub.8]*2[H.sub.2]O
Parsettensite occurs in platy, micaceous, yellowish to brown crystals on quartz and calcite.
(1994) The use of electron optical methods to determine the crystal structure of a modulated phyllosilicate: Parsettensite. American Mineralogist, 79, 426-437.
Occurrence: In manganese ore consisting of braunite, rhodonite, spessartine, tinzenite, parsettensite, sursassite and strontian piemontite in radiolarites.