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Mohs scale |
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Mohs scale [′mōz ‚skāl] (mineralogy) An empirical scale consisting of 10 minerals with reference to which the hardness of all other minerals is measured; it includes, from softest (designated 1) to hardest (10): talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and diamond. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| On the Mohs scale of hardness, which ranks minerals from softest (1) to hardest (10), diamond is a 10. |
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