rinkite

Etymology
Named in 1884 by Johannes Theodor Lorenzen in honour of Henrik Johannes Rink (1819-1893), Director of the Royal Greenland Board of Trade at the time.

Rink +

In 2016, the IMA renamed rinkite to rinkite-(Ce), as opposed to rinkite-(Y).

Noun

 * 1)  A monoclinic-sphenoidal mineral containing calcium, cerium, fluorine, niobium, oxygen, silicon, sodium, and titanium.