What can be judged as a ruby, yellow sapphire gemstones or do?
A red, orange or purple gems which can be a ruby; a yellow, orange or green stones which can be a topaz; a blue, green or purple gems which can be a blue gem. In this way, the requirements in order to calculate the body yuan gem stones, a purple gem can be viewed as a ruby and a sapphire. This is the cruel earth to meet the high demand for the precious stones the storm is very important.