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қаттылық шкаласы
The scale used to measure the degree to which a stone or mineral is resistant to scratches. Hardness is measured from 1-10, 10 (diamonds) being the hardest.
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完善词条
- 词性： 名词
- 同义词：
- 词汇：
- 行业/领域： 珠宝
- 类别 普通珠宝
- Company: Kay Jewelers
- 产品：
- 取首字母的缩写词：
