manganoan, a. Min.
(mæŋgəˈnəʊən)
[f. manganese + -oan.]
Of a mineral: having a (small) proportion of a constituent element replaced by bivalent manganese.
| 1930 W. T. Schaller in Amer. Mineralogist XV. 571/2 Manganese—manganoan. 1944 C. Palache et al. Dana's Syst. Min. (ed. 7) I. 777 Mossite is..reported also (manganoan) from Yinnietharra, Western Australia. 1968 I. Kostov Mineral. 11. ix. 498 Luckite is a manganoan melanterite. |