Neph"e*line (?), Neph"e*lite (?), n. [gr. cloud: cf. F. n'eph'eline. Cf. Nebula.] Min.

A mineral occuring at Vesuvius, in glassy agonal 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.

© Webster 1913.

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