几百年来,钻石的下述独特性质吸引了众多消费者: 硬度:物质抵抗外界机械刻划的能力。钻石的硬度是红、蓝宝石的140倍,是水晶的1000倍,更能抵抗一切物质对它的磨损、划伤。因此钻石一旦拥有,便可世代留传。 韧度:物质抵抗破裂的能力。钻石具有较高韧度,但是它的边棱却是比较脆的,因此佩戴时应避免碰 For centuries, the unique properties of diamonds have attracted many consumers: Hardness: The ability of a material to withstand the mechanical scoring of the outside world. Diamond hardness is red, 140 times sapphire, crystal 1000 times, more resistant to all the material on its wear and tear. Therefore, once the diamond has, can be passed on for generations. Toughness: the ability of the material to resist rupture. Diamond has high toughness, but its edges are relatively brittle, so wear should avoid touching