spar

spar. For dogtooth spar, see calcite; for fluorspar, see fluorite; for heavy spar, see barite; for satin spar, see calcite and gypsum. See also Iceland spar and feldspar.

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More on spar from Fact Monster:

  • Iceland spar - Iceland spar Iceland spar, colorless variety of crystallized calcite, characterized by its ...
  • fluorite - fluorite fluorite or fluorspar, mineral appearing in various colors, e.g., green, yellow-brown, ...
  • calcite - calcite calcite , very widely distributed mineral, commonly white or colorless, but appearing in a ...
  • gypsum - gypsum gypsum , mineral composed of calcium sulfate (calcium, sulfur, and oxygen) with two ...
  • barite - barite barite , barytes[New Lat., from barium], or heavy spar,a white, yellow, blue, red, or ...

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