As soon as men has started digging the earth beneath his feet, he must have encountered at least some calcium carbonate (calcite)
Calcium carbonate is made of the elements calcium, carbon, and oxygen.
Limestone is primarily composed of calcium carbonate. However, calcium sulfate is not typically found in limestone; it is a separate mineral known as gypsum.
Calcium phosphate and calcium carbonate are found in bones .
Calcium carbonate is the compound made from the elements oxygen, calcium, and carbon. It is commonly found in rocks, shells, and pearls.
Calcium, Carbon, Oxygen
calcium carbonate
The main chemical found in egg shells is calcium carbonate. It provides strength and structure to the shell, helping to protect the developing embryo inside the egg.
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Calcium carbonate is a chemical compound. It is a common substance found in rocks, shells of marine organisms, and eggshells. Calcium carbonate is widely used in industries such as construction, food, pharmaceuticals, and agriculture.
Dolomite limestone is a mixture of calcium carbonate and magnesium carbonate.
Limescale is mostly calcium carbonate with some magnesium carbonate mixed in there as well. So the answer would be calcium.
The most common mineral of calcium is calcium carbonate; also calcium sulfate, calcium magnesium carbonate, calcium silicates, etc. Calcium minerals exist practically in all the countries of world.