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the sapphire crystal is harder than the glass they used for the window. people use diamonds to cut windows all the time
 
the sapphire crystal is harder than the glass they used for the window. people use diamonds to cut windows all the time
Agreed, no surprise at the result. Perhaps they should not have been resting against the window.
 
I assume someone with a sapphire Apple Watch was talking with their arms and smack their arm(watch) right into the glass? Pretty crazy though that the entire glass cracked like that.

I'm surprised they even kept the store open considering how tall the glass is.
 
But sapphire is more shatter prone, yet it's the glass that shattered. Probably due to the glass being tempered?



That's characteristic of tempered glass.

Yeah most high end storefront glass is tempered. It takes a few good hits to shatter it. The watch was probably pressed against it with its corner, by a person's weight so thats at least 100-150lbs of pressure pressed against at a single point, its definitely not rated for that especially not when its a material harder than the glass itself. so it spiderwebbed.
 
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