from The Century Dictionary.
- noun Rhomb-spar, a mineral crystallizing in rhombohedrons. It is the same as dolomite, or carbonate of calcium and magnesium.
from the GNU version of the Collaborative International Dictionary of English.
- A common name of dolomite; -- so called because it contains magnesia, the soluble salts of which are bitter. See
from Wiktionary, Creative Commons Attribution/Share-Alike License.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
from Wiktionary, Creative Commons Attribution/Share-Alike License
So called because it contains magnesia, which has bitter soluble salts.
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