diamond types names
https://medium.com/@k4nwmni923/10-wrong-answers-to-common-blue-sapphire-rings-vintage-questions-do-you-know-the-right-ones-a26731f53ef1
The heat that produces the diamond can even exceed 1,two hundred degrees Celsius. Anything at all fewer than 400 levels Celsius brings about graphite, not diamond. Speak about warmth. It corresponds to the heat,