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 ceramic glazes, Glass, and metallurgy.

Raman

ColemaniteRS.jpg

Synonyms and Related Terms

colemanite

Risks

  • CDH Fine Chemicals: SDS

Physical and Chemical Properties

Soluble in dilute acids. Slightly soluble in water.

Composition CaB4O7
Density 2.42 g/ml
Refractive Index 1.540, 1.656, 1.682

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • 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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