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If an unknown mineral has a hardness between 5 and 9, what could you do to the mineral to find out more about its hardness?

If an unknown mineral has a hardness between 5 and 9, what could you do to the mineral to find out more about its hardness?
asked 175k views
3 votes
if an unknown mineral has a hardness between 5 and 9, what could you do to the mineral to find out more about its hardness?

asked
User Onoma
by
8.0k points

1 Answer

2 votes
you need to do a
scratch test
answered
User Simmer
by
8.8k points
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