tsepinite

Etymology
Named after Anatoliy Ivanovich Tsepin (Анатолия Ивановича Цепина; b. 1946).

Noun

 * 1) Any of a group of related minerals in the vuoriyarvite group
 * 2) tsepinite-Ca [Ca(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O]
 * 3) tsepinite-K	[K2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O]
 * 4) tsepinite-Na	[Na2(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O]
 * 5) tsepinite-Sr [Sr(Ti,Nb)2(Si4O12)(OH,O)2 · 3H2O]