| 单词 | Mohs scale |
| 释义 | Mohs scale /mohz/ a scale of hardness used in mineralogy. Its degrees, in increasing hardness, are: talc 1; gypsum 2; calcite 3; fluorite 4; apatite 5; feldspar 6; quartz 7; topaz 8; sapphire 9; diamond 10. Abbr.: MSH [1875-80; named after F. Mohs (1773-1839), German mineralogist] |
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