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.
I think you have it confused, dolomite and limestones are not the same thing: Limestone is composed of calcite or calcium carbonate, CaCO3, and dolostone is composed of dolomi â¦ te or calcium magnesium carbonate, Ca,Mg(CO3). Okla gave the chemical formula for ankerite, which is in the dolomite group.