Akademik

cavolinite
cavolinite Min.
(kævəʊˈliːnaɪt)
[Named 1826, after Cavolini, an Italian naturalist: see -ite.]
A variety of nephelite, found on Vesuvius, characterized by a silky lustre.
Amer. Jrnl. Sc. XI. 260.

Useful english dictionary. 2012.