arizonites

Noun

arizonite (usually uncountable, plural arizonites)

1. (usually) A titanate of iron, Fe₂Ti₃O₉.
   • The close ratio of ferric oxide to titanic oxide, viz., 1:3·03, indicates that the mineral is really ferric metatitanate, Fe₂O₃.3TiO₂ or Fe₂Ti₃O₉. Moreover, the crystallographic determinations strengthen the view that this titanate of iron cannot be assigned to any known species, but is entirely...1909, Chase Palmer, "Arizonite, Ferric Metatitanate", The American Journal of Science, 4th Series, Vol. XXVIII, No. 166, p. 355
2. (historical, obsolete, usually) A kind of iron-laden silver ore discovered during Arizona's silver rush in the 1870s.
   • Silver occurs, native, in various lodes... The Sumner lode produces a new combination of ore. The principal vein matter is micaceous iron, iodide of silver, gold, sulphurets of iron, and antimony. The name Arizonite has been given to it by Mr. H. G. Hanks, of San Francisco.1878, Richard Josiah Hinton, The Handbook to Arizona, pages 96–97