Multiple Choice
Why doesn't quartz have any cleavages, only fractures?
A) All oxygens are shared between strongly bonded silicons in a 3-D framework.
B) All of the metallic cations form strong webs between the silicate chains.
C) It is made of pure silicon which is very strong.
D) It has strong helical chains in three perpendicular directions.
Correct Answer:

Verified
Correct Answer:
Verified
Q24: The physical property denoting a mineral's tendency
Q25: In atoms, which electrons are involved in
Q154: The two main types of bonding that
Q155: What are two or more minerals called
Q156: Positive ions are atoms that have gained
Q157: _ is a common pink variety of
Q160: Examine the words and/or phrases for each
Q161: Which one of the following describes a
Q162: _ is the ratio of a weight
Q163: Cleavage is determined by _ and _