Heavy spar

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Description

An old name used for barite mineral prior to the 1800s. See barium sulfate.

Sources Checked for Data in Record

  • R. Mayer, The Artist's Handbook of Materials and Techniques, Viking Press, New York, 1981
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 83
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985