No. Diamond will scratch steel, however,
gympsum can scratch diamond
A diamond will scratch anything and everything, including another diamond.
It would leave a scratch because a diamond is harder than glass; diamond being the hardest material on the Moh's Scale of hardness.
Diamond is the hardest known substance, but one diamond can scratch another diamond. If that was not the case, there would be no way for jewelers to shape diamonds as they do, into faceted jewels, instead of lumpy stones.
Yes. A diamond can scratch hard surfaces, but is not effective in scratching softer surfaces, unless the stone is cracked or broken and has a sharp edge.
Diamond is harder than steel: you can scratch steel with a diamond, but steel will not scratch a diamond.
Yes. Diamond is the hardest natural mineral. This would be especially evident using a diamond-tipped tool to mark steel.
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.
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.
noNo other way around
Diamond will scratch everything, including diamond.