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lora16 [44]
3 years ago
13

What minerals will a penny not scratch.

Geography
1 answer:
Studentka2010 [4]3 years ago
4 0

hope this helps The Mohs Hardness Scale ranks the order of hardness of minerals and some common objects. For example, your fingernail can scratch the minerals talc and gypsum, with a hardness of 2 or lower. A copper penny can scratch calcite, gypsum, and talc.


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