Re: Why do crystals always have straight edges?


"Albert" <albert.xtheunknown0@xxxxxxxxx> wrote in message
news:65013898-8265-4a16-8956-2453cde3324b@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
: Why do crystals always have straight edges? I'm only in Year 8
: Australia studying particles.

Your question is a tad like "why does a square have four corners?"
If it didn't it wouldn't be a square.

Crystals have straight edges because if they didn't they'd be glasses.
http://math.ucr.edu/home/baez/physics/General/Glass/crystal.gif
http://math.ucr.edu/home/baez/physics/General/Glass/glass.gif





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