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| 莫氏硬度 (【技】1824 年由德国矿物学家 Frederich Mohs (莫斯)提出的度量硬度的一种标度。应用划痕法将棱锥形金刚钻针刻画所试矿物的表面发生划痕。然后用测得的划痕深度来表示硬度。) | |||
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| 莫氏硬度计 | |||
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| The measure of a mineral's hardness in relation to other minerals, based on its ability to resist scratching | |||
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Mohs' scale of hardness : 4 phrases in 1 subject |
| Technology | 4 |
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