Definitions
from The Century Dictionary.
- noun A mineral consisting of the silicate and carbonate of calcium (2Ca2S:O4.CaCO3). It occurs in cleavable granular masses of pale gray color at Velardeña, Durango, Mexico.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A granular
mineral composed of a mixedsilicate andcarbonate ofcalcium
Etymologies
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