Why Doesn't Quartz Have Any Cleavages, Only Fractures

question 158

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.

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