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Which mineral will scratch feldspar but not topaz?
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3 votes
3 votes
Which mineral will scratch feldspar but not topaz?

User Admirabilis
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1 Answer

20 votes
20 votes

Answer:

Diamond is the hardest mineral; no other mineral can scratch a diamond. Quartz is a 7. It can be scratched by topaz, corundum, and diamond. Quartz will scratch minerals that have a lower number on the scale.

Step-by-step explanation:

Diamond is the hardest mineral; no other mineral can scratch a diamond. Quartz is a 7. It can be scratched by topaz, corundum, and diamond. Quartz will scratch minerals that have a lower number on the scale.

User StephanieQ
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