Definify.com
Webster 1913 Edition
Nephelite
{
, Neph′e-line
(nĕf′ē̍-lĭn)
, Neph′e-lite
(nĕf′ē̍-līt)
}Noun.
(Min.)
A mineral occuring at Vesuvius, in glassy hexagonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety elaeolite. It is a silicate of aluminia, soda, and potash.