Jess scratches an unknown mineral with topaz, which has a Mohs hardness of 8. Topaz leaves a scratch on the unknown mineral. The

Question

strojnjashka [21]

3 years ago

11

Jess scratches an unknown mineral with topaz, which has a Mohs hardness of 8. Topaz leaves a scratch on the unknown mineral. The

unknown mineral _____.

Geography

1 answer:

alina1380 [7] · Answer 1 · 2022-08-07T02:41:06+03:00

alina1380 [7]3 years ago

5 0

The unknown mineral has to have a smaller hardness number (meaning it’s softer). It’s hardness can be between 1-7. Some minerals it could be (and their hardness) are:
quartz-7
orthoclase-6
apatite-5
fluorite-4
calcite-3
gypsum-2
talc-1