Dolomite vs. Limestone

Dolomitenoun

(mineral) A saline evaporite consisting of a mixed calcium and magnesium carbonate, with the chemical formula CaMg(CO3)2; it also exists as the rock dolostone.

Dolomitenoun

A mineral consisting of the carbonate of lime and magnesia in varying proportions. It occurs in distinct crystals, and in extensive beds as a compact limestone, often crystalline granular, either white or clouded. It includes much of the common white marble. Also called bitter spar.

Dolomitenoun

a kind of sedimentary rock resembling limestone but consisting almost entirely of the mineral dolomite

Dolomitenoun

a light colored mineral consisting of calcium magnesium carbonate; a source of magnesium; used as a ceramic and as fertilizer

Limestonenoun

An abundant rock of marine and fresh-water sediments; primarily composed of calcite (CaCO3); it occurs in a variety of forms, both crystalline and amorphous.

Limestoneadjective

Made of or with limestone.

Limestonenoun

A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble.

Limestonenoun

a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals

Limestone

Limestone is a common type of carbonate sedimentary rock. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate (CaCO3).