a kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate
a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
[ Syn: bitter spar ]
a kind of sedimentary rock resembling marble or limestone but rich in magnesium carbonate
a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer
[ Syn: bitter spar ]