Did you know you could tell if the gemstone or any stone is fake or natural by just touching it? Many people take a gemstone to a gemologist or use expensive tools to tell if a stone used in a jewelry piece is fake or genuine. You can tell whether a stone is real or not by just touching and feeling the stone. If the stone gives you a cool sensation, Then the stone is real. If the feeling is warm or not cool at all, then you know that earth is a living organism. So the feeling of the earth is like feeling something alive.