The degree of resistance of a mineral to abrasion and scratching. Cf. Mohs, n.
| 单词 | θ6470 |
| 释义 | the world > the earth > minerals > mineral structure or appearance > [noun] > hardness (2) hardness1672 The degree of resistance of a mineral to abrasion and scratching. Cf. Mohs, n. scratch hardness1928 the hardness of a metal or mineral as estimated by measuring the width of a scratch made on the material by a diamond point under a specified load. |
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