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.
Best Answer: Chalk sticks are manufactered from ground talc. Soapstone is the mined type of talc stone. Chalk is made to come apart easier on chalkboard so that the writing is much bolder. Soapstone is used for metal marking because it does not have that tendancy to mark as heavily and you can sharpen it to a point.