Calcium borate

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Colemanite

Description

A white powder that is obtained from the mineral colemanite. Calcium borate is used as a flux for glaze ceramic glazes, glass, and metallurgy.

Synonyms and Related Terms

colemanite

Raman

ColemaniteRS.jpg


Other Properties

Soluble in dilute acids. Slightly soluble in water.

Composition CaB4O7
Density 2.42
Refractive Index 1.540, 1.656, 1.682

Authority

  • Richard S. Lewis, Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Robert Fournier, Robert Fournier, Illustrated Dictionary of Practical Pottery, Chilton Book Company, Radnor, PA, 1992
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.540, 1.656, 1.682

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