NOT KNOWN DETAILS ABOUT CRYSTAL

Not all crystals are Similarly crystalline. There tend to be impurities, along with the ionic & covalent amongst molecules can develop vastly distinctive constructions out of the same material. An awesome illustration of this are diamonds and graphene.无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度，越�