1 Apply Aloe vera gel or juice: Aloe vera gel or juice helps get rid of acne scars and makes your facial skin healthier. 2  There are many brands of aloe vera gel or juice available on the market today.
Jupiterimages/Photos.com/Getty Images. Limestones are a class of sedimentary rocks composed of the same mineral, calcite, which is made from calcium carbonate, or CaCO3. Despite this similarity in composition, however, not all limestone rocks are the same. Chalk is actually a special form of limestone that exhibits some differences from other rocks in the same class.
â¢ Limestone is a calcium carbonate mineral whereas dolomite is made of calcium magnesium carbonate. â¢ Sand, clay and silt are commonly found in limestone as impurities but not quite common in dolomite.osted on. by Maria. Limestone vs Dolomite. Both limestone and dolomite are types of rock made of carbonate residues. The patterns of the way they behave chemically are almost the same with varied intensities. However, the structure and the formation of these rocks are quite different.