Which one represents the hardest sample of Mohs hardness?
Which one represents the hardest sample of Mohs hardness?
A.Talc
B.Calcite
C.Quartz
D.Diamond
正确答案:Diamond
Which one represents the hardest sample of Mohs hardness?
A.Talc
B.Calcite
C.Quartz
D.Diamond
正确答案:Diamond
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