Diamond is used for gemstones, abrasives, and saw blades.
Diamond grits can be joined together by an adhesive to form diamond blade. This diamond blade can be used in cutting or polishing another diamond. Diamond is the hardest mineral known and is the only mineral hard enough to cut another diamond.
Zircon is a naturally occurring mineral that is not a diamond. Zircon is often used as a diamond substitute in jewelry due to its natural brilliance and sparkle, but it is not as valuable as a true diamond.
Diamond is the hardest mineral and can only be scratched by another diamond.
The mineral that can only be scratched by diamond is diamond itself. Diamond is the hardest known natural mineral, scoring 10 on the Mohs scale of mineral hardness.
Mineral X could be anything. Diamond is the hardest mineral (10 on Mohs' scale) and can scratch all other minerals including another diamond.
'Strong' is not a word often used in association with diamond. Diamond is, however, the hardest natural mineral.
A diamond. Actually, a diamond can be scratched my other minerals.
The element carbon is made into diamond -- diamonds are not made into anything else. The mineral is used to make jewelry and industrial saws/drilling bits.
Diamond used to be considered the hardest mineral, but apparently now it is Wurtzite Boron Nitride.
Ancient Greeks used the word adamas -- meaning unconquerable -- to describe the mineral diamond.
quarts
Naturally occurring, commonly used minerals.