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What is the hardest mineral in this group? A. Calcite B. Quartz C. Diamond D. Gold
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Dec 2, 2018
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What is the hardest mineral in this group?
A. Calcite
B. Quartz
C. Diamond
D. Gold
Physics
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Thabani
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C. Diamond, It one of the hardest known rock on the earth
Romi
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Dec 4, 2018
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Romi
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Diamond is the hardest mineral on Earth.
Liubo
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Dec 7, 2018
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