'Mascagnite' definitions:

Definition of 'Mascagnite'

From: GCIDE

Mascagnin \Mas*ca"gnin\, Mascagnite \Mas*ca"gnite\, n. [Cf. F. mascagnin.] (Min.) Native sulphate of ammonia, found in volcanic districts; -- so named from Mascagni, who discovered it. [1913 Webster]