Min. [Named by Thomson 1796 from Santa Fior-a, its locality: see -ITE.] An incrustation formed from the decomposition of the siliceous minerals of volcanic rocks about fumaroles, or from the siliceous waters of hot springs.
1808. T. Allan, Min. Nomen., 52. Müller’s glass, or Lava glass … Fiorite.
1830. Lyell, Princ. Geol., I. 214. A siliceous incrustation, first noticed by Dr. Thompson under the name of fiorite.
1884. Dana, Min., 199. The original fiorite (or pearl-sinter) as described by Thomson, occurs in tufa in the vicinity of Santa Flora, Italy.
