Multiple Choice
Using the Mohs hardness scale below,which of the following statements about the actual hardness of minerals is false? 
A) Your fingernail can scratch a sample of gypsum.
B) Diamonds are twice as hard as apatite.
C) Diamonds are more than seven times as hard as quartz.
D) Quartz will scratch anything made of steel.
Correct Answer:
Verified
Correct Answer:
Verified
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