THE BEST SIDE OF CRYSTAL

Not all crystals are equally crystalline. There are sometimes impurities, plus the ionic & covalent involving molecules can make vastly diverse buildings away from a similar content. A terrific example of this are diamonds and graphene.③、粗抛光：是将模具压出之毛胚，以金刚石盘直接磨出成品之刻线。④、细抛光：在