celestite

celestite (sĕlˈəstĪt) [key] or celestine sĕlˈəstĭn, –tĪn, mineral appearing in blue-tinged or white orthorhombic crystals or in fibrous masses. The natural sulfate of strontium, SrSO4, it is important as a source of strontium and of certain of its compounds, e.g., strontium hydroxide, used in refining beet sugar, and strontium nitrate, used in red signal flares. It occurs in England, in Sicily, and in the United States on islands in Lake Erie and also in Pennsylvania, New York, and Ohio.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on celestite from Fact Monster:

  • strontium - strontium strontium [from Strontian, a Scottish town], a metallic chemical element; symbol Sr; at. ...
  • sulfate - sulfate sulfate, chemical compound containing the sulfate (SO4) radical. Sulfates are salts or ...
  • Encyclopedia: Mineralogy and Crystallography - Encyclopeadia articles concerning Mineralogy and Crystallography.

See more Encyclopedia articles on: Mineralogy and Crystallography