Which of the following minerals is not a form of Al2O3?
A) corundum
B) diamond
C) ruby
D) sapphire
Correct Answer:
Verified
Q24: Which of the following minerals fizzes when
Q25: The mineral property "cleavage" refers to
A)the development
Q26: Mica is a common example of a
Q27: The most common rock-forming minerals in the
Q28: Which of the following statements about graphite
Q30: What type of mineral is pyrite,also known
Q31: Which of the following metals is commonly
Q32: When cleaved,mica breaks through planes of
A)aluminum hydroxide.
B)silicon-oxygen
Q33: What type of mineral is gypsum,the primary
Q34: Chemical substances that have exactly the same
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