Which of the following statements concerning diamonds is NOT true?
A) Diamonds are formed as a result of extreme pressure on coal that has been buried to a depth of more than 150 kilometers (90 miles) .
B) Diamond is the world's hardest natural substance.
C) Diamonds are most often found in kimberlite pipes.
D) Only a few kimberlite pipes produce gem- quality diamonds.
Correct Answer:
Verified
Q3: A van der Waals bond is a
Q4: Which of the following statements concerning crystals
Q5: In a covalent bond, atoms:
A) share electrons.
B)
Q6: The term polymorphism refers to:
A) two mineral
Q7: In an ionic bond, atoms:
A) lose or
Q9: Which of the following statements concerning hydrogen
Q10: Mineral cleavage indicates:
A) unequal bond strength in
Q11: The mineral quartz is distinctive because it
Q12: A rock is best defined as:
A) aggregates
Q13: Fracture in a mineral indicates:
A) brittle nature
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