richardson1600 richardson1600

13-10-2017
Chemistry

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The softest and hardest minerals are:

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22wilkersoncurt 22wilkersoncurt

13-10-2017

The Mohs scale is for natural minerals. For manufactured products other measures of hardness are better. ... There are ten minerals in Mohs scale, talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum, and for last andhardest, diamond.

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TheBlueFox TheBlueFox

27-07-2019

Rocks are made up of minerals. The hardest mineral is diamond. The softest mineral is talc, which is ground up to make talcum powder.

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