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What gems can scratch glass?

In: Physics, Chemistry [Edit categories]

Answer:

Pretty much any gem that is sharpened can scratch glass, especially a diamond...

First answer by Fizzo. Last edit by ID0645185627. Question popularity: 13 [recommend question].

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Does glass scratch glass?
Yes, absolutely it does. Also there are different glasses with different hardnesses. Obviously harder glass will scratch softer glass and glass with the same hardness will also scratch.
Will glass scratch glass?
Yes, absolutely it does. Also there are different glasses with different hardnesses. Obviously harder glass will scratch softer glass and glass with the same hardness will also scratch.
How can you get scratches out of your glasses?
Realistically, you don't. Theoretically they could be polished out, but that's quite difficult.
When you scratch a diamond on glass does it scratch the diamond?
no
Do Diamonds scratch glass?
Yes, diamonds have a toughness of 10.0 and glass has a toughness of 5.5. :D