Because diamond is the hardest natural mineral and can only be scratched by another diamond.
Another diamond can scratch a diamond.
A diamond is the hardest known substance, as stated on the Mohs scale. Yes, a diamond can scratch another diamond. Diamond-tipped tools are what workers use to cut and facet diamond stones.
Nope. Can glass scratch glass? Can plastic scratch plastic? A material has to be harder than another in order to scratch it. Like materials obviously have the same hardness.
Diamond should scratch a piece of glass.
No. A diamond can still be scratched by another diamond.
A diamond can scratch a diamond, but one diamond cannot scratch itself.
No. Only a diamond can scratch another diamond.
gympsum can scratch diamond
A diamond will scratch anything and everything, including another diamond.
No. Diamond will scratch steel, however,
Nope! A diamond is the hardest substance on earth so only a diamond can scratch a diamond!
Yes: not a good use for a diamond, but yes, a diamond will scratch a nail.
Yes, in fact, it is the only way to scratch a diamond.
Diamond is harder than steel: you can scratch steel with a diamond, but steel will not scratch a diamond.
noNo other way around
Diamond will scratch everything, including diamond.
Diamond