Dolomite
A specific form of limestone (CaMg(CO3))2 containing chemically equivalent concentrations of calcium and magnesium carbonates: the term is sometimes applied to limestones with compositions similar to true dolomite.
A specific form of limestone (CaMg(CO3))2 containing chemically equivalent concentrations of calcium and magnesium carbonates: the term is sometimes applied to limestones with compositions similar to true dolomite.