tscheffkiniten.
/ˈtʃɛfkɪnʌɪt/ Mineralogy.
A rare mineral, a silicate containing titanium, iron, and the metals of the cerium group, occurring in velvet-black masses.
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the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > other complex silicates
sordavalite1823
babingtonite1824
glottalite1836
keilhauite1846
schorlomite1846
tscheffkinite1850
yttrotitanite1854
partschinite1868
leidyite1878
cenosite1888
kainosite1888
johnstrupite1890
taramellite1908
joaquinite1909
nenadkevite1955
weeksite1960
1850 D. T. Ansted Elem. Course Geol. 443 Tschewkinite, silicate and titanate of cerium, lanthanum, and didymium, with oxide of iron.
1868 J. D. Dana Syst. Mineral. (ed. 5) 387–8 Tscheffkinite... Tschewkinit. G. Rose, Reis. Ural, ii. 1839... From the Ilmen Mountains in the Urals; only a few specimens have been found... Named after the Russian general, Tschevkin [Tshefkin].
This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).
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n.1850