Spar

Related Category: Mineralogy and Crystallography

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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Calcite - very widely distributed mineral, commonly white or colorless, but appearing in a great variety of colors owing to impurities. Chemically it is calcium carbonate, CaCO3, but it frequently c...

More on Spar

Calcite - very widely distributed mineral, commonly white or colorless, but appearing in a great variety of colors owing to impurities. Chemically it is calcium carbonate, CaCO3, but it frequently c...