A member of the natural emerald belongs to the mineral beryl family, is a kind of beryllium and aluminum silicate. Emerald green is very attractive, people say he like spinach, said he like heart green onions, and said he like a young tree in bud green. But, no matter how you describe it is not accurate to express his green. He said he is green, and the green belt is yellow, yellow green, yellow green and blue point in him. Always look good to hear or see.