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Biology, 01.06.2021 01:30 starburst2005

ItemMohs Hardness fingernail:2.5
penny: 3
knife: 5.1
steel nail:6.5
You have found the mineral shown in the picture. A knife won’t scratch it, but a nail will.
Describe at least four properties that would help you identify the mineral.

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ItemMohs Hardness fingernail:2.5
penny: 3
knife: 5.1
steel nail:6.5
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