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A comment on Your next smartphone might use sapphire glass instead of Gorilla Glass. Parent comment

Re:Your next smartphone might use sapphire glass instead of ... by svachalek on Wednesday March 20, 2013 @09:14PM (#5412081)
I believe hardness has more to do with scratching than cracking; e.g. plastic is harder to crack than glass, but softer.
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Re:Your next smartphone might use sapphire glass instead of ... by rayiner on Wednesday March 20, 2013 @11:08PM (#5412581)
Indeed, cracking is generally inversely related with hardness. Harder things are easier to crack than softer things.
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