Calcium (Latin calx, meaning "limestone") was known as early as the first century when the Ancient Romans prepared lime as calcium oxide. http://en.wikipedia.org/wiki/Calcium
The calcium ion is called a calcium ion, and its symbol is Ca2+.
Calcium iodide.
Calcium oxalate
calcium carbonate, CaCO3
Calcium sulfate (CaSO4) is called also gypsum.
This compound is called calcium permanganate.
Calcium Carbonate - also called limestone, calcite, chalk, and marble.
The compound composed of calcium (Ca) and phosphorus (P) is called calcium phosphate.
A sodium feldspar with twinning striations is called albite, while a calcium feldspar with twinning striations is called anorthite.
calcium and oxygen combine to form calcium oxide(CaO).it is also called quick lime.
calcium sulphate
The name for the ionic compound CaSO4 is calcium sulfate.