ˌkrīōˈlithēəˌnīt, -_lə̇ˈthīə- noun
( -s )
Etymology: alteration of earlier kryolithionite, from kryo- cry- + lithionite (obsolete synonym of lepidolite ), from German lithonit, from obsolete New Latin lithion (now lithia ) + German -it -ite
: a mineral composed of a fluoaluminate of sodium and lithium Na 3 Li 3 (AlF 6 ) 2 found in the Ural mountains