首页 > Term: grainers
grainers
Diamonds which in weight will correspond to fourths of a carat; a diamond weighing one-half carat is a two-grainer; one weighing three quarters is a three-grainer; a diamond of one carat in weight is a four-grainer.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
0
创建者
- ed.young
- 100% positive feedback
(Milwaukee, United States)