chevkinite
noun
chev·kin·ite
ˈchefkə̇ˌnīt,
-evk-
plural -s
: a mineral approximately (Fe,Ca)(Ce,La)2(Si,Ti)2O8 consisting of silicotitanate of iron, calcium, and rare-earth elements
Word History
Etymology
German tschewkinit, from Konstantin V. Chevkin (Tschewkin) †1875 Russian general and chief of Department of Mines of Russia + German -it -ite