Noun: dolomite 'dow-lu,mIt or 'dó-lu,mIt [N. Amer], 'dó-lu,mIt [Brit]
- A light coloured mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
"Bitter spar is often found in dolomite deposits";
- bitter spar
- A kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate
"The geologist identified the cliff face as dolomite"
Derived forms: dolomites
Encyclopedia: Dolomite, California