fortniteonly231 fortniteonly231

04-09-2018
Chemistry

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An unknown mineral scratches glass but will not scratch quartz. Which measure on the Mohs scale shows its hardness?

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04-09-2018

The best measure of the hardness of the mineral is orthoclase = 6.

For glass, Mohs hardness = 5.5.

For quartz, Mohs hardness = 7.

The hardness of the mineral is somewhere in between.

The best we can do is say that the hardness of orthoclase = 6.

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Аноним Аноним

12-09-2018

glass is on the Mohs scale 5.5 and quartz is a 7 so the number is 6

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