The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a metamorphic rock composed of calcite or dolomite; it contains smaller quantities of garnet, pyroxene, forsterite, spinel, feldspar, and other minerals. Calciphyre is contrasted with marble, which contains few impurities.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.