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Mohs scale
[ mohz ]
noun
- 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. : MSH
Mohs scale
/ məʊz /
noun
- a scale for expressing the hardness of solids by comparing them with ten standards ranging from talc, with a value of 1, to diamond, with a value of 10
Mohs scale
/ mōz /
- A scale used to measure the relative hardness of a mineral by its resistance to scratching. From softest to hardest, the ten minerals of the Mohs scale are talc (measuring 1 on the scale), gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond (measuring 10 on the scale).
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Word History and Origins
Origin of Mohs scale1
1875–80; named after F. Mohs (1773–1839), German mineralogist
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Word History and Origins
Origin of Mohs scale1
C19: named after Friedrich Mohs (1773–1839), German mineralogist
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