Multiple Choice
We distinguish between a mineral and a naturally formed glass (such as obsidian) because
A) glass is not produced by geologic processes.
B) glass is organic.
C) glass does not have a fixed crystal structure.
D) glass can be made synthetically as well as occur naturally.
Correct Answer:
Verified
Correct Answer:
Verified
Q6: Diamond is a polymorph of graphite.What is
Q18: Of the ~4,000 known minerals,the vast majority<br>A)
Q19: If a mineral lacks cleavage,it will<br>A) break
Q21: The mineral class that makes up more
Q22: The color of a mineral in powdered
Q25: The shape of single crystals or aggregates
Q28: In silicate minerals,the SiO<sub>4</sub> tetrahedron can be
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Q45: Gemstones are often found in pegmatites,which are
Q56: Minerals are all naturally occurring solid substances