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A deep blue, sapphire-like gemstone with fiery yellow flashes. Benitoite is composed of a barium-titanium silicate. These rare and valuable crystals have only been found close to the San Benito River in California. Benitoite stones were formerly cut and sold as sapphires.

Composition BaTi(SiO3)3

Sources Checked for Data in Record

  • Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
  • R.F.Symmes, T.T.Harding, Paul Taylor, Rocks, Fossils and Gems, DK Publishing, Inc., New York City, 1997
  • Encyclopedia Britannica, Comment: "Mineral." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 12 May 2004 .