| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of processing natural diamond by which a gemstone reflects more light without requiring a lot of time. <P>SOLUTION: The gemstone 1 has two parallel faces 2, 3, and a geometric plane that coincides with two parallel faces defines the volume of the gemstone 1, and a number of facets start from the two parallel faces. Each facet is processed and polished to be parallel to an opposite facet or parallel to a connecting end edge of two other facets. <P>COPYRIGHT: (C)2013,JPO&INPIT |
