Dolomite’s chemical composition CaMg(CO3)2, is a mineral, differing from calcite. Dolomite is being formed by partially or mainly from MgO instead of Limestones, CaO. It is a brittle Mineral with a specific gravity of 2.8g/cm³ and a hardness of 3.5-4. Whilst it is harder than Limestone, the broken face is differing and it is more resistant towards abrasion. Because it is dissolving by foaming when heated, it is differing form calcite.
Chemical Composition: CaMg(CO3)2
Crystalline Shape : Hexagonal
Specific Gravity: 2.86