Diaspore \Di"a*spore\, n. [From Gr. ? a scattering; dia`
through, asunder + ? to sow, scatter like seed: cf. F.
diaspore.] (Min.)
A hydrate of alumina, often occurring in white lamellar
masses with brilliant pearly luster; -- so named on account
of its decrepitating when heated before the blowpipe.
[1913 Webster]