Calcium carbonate Limestone or calcium carbonate has rarely existence as pure lime in nature. This mineral is mostly available in the form of clay lime, sandy lime, dolomite and white mud. Its natural color is white or colorless. The specific gravity is 2.72 and the hardness in Mohs table scale is 3. Applications: • In the pipe, profiles and plates • In the…

Bentonite Bentonite is a rock mostly constituted by clay minerals (very fine particles with sizes smaller than 2 micrometers). From geological features, Bentonite is clay layers rich of montmorillonite- beidellite which has other companions. It should be noted that Bentonite is not a mineral, but a series of minerals together constitute Bentonite rock. Environmen…