Fiorite

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Fiorite \Fi"o*rite\, n. (Min.)
     A variety of opal occuring in the cavities of volcanic tufa,
     in smooth and shining globular and botryoidal masses, having
     a pearly luster; -- so called from Fiora, in Ischia.
     [1913 Webster]