diamonds
Diamond is the hardest known mineral, which is a physical property of the mineral.
Diamond is the hardest mineral known.
Diamond, the compressed form of carbon.
Diamond.
The hardness of diamond is a physical property of the diamond. The statement is also untrue as diamond is only the hardest known mineral, not the hardest known substance.
The hardest mineral is diamond, and the softest mineral is talc.
Diamond is the hardest mineral known.
The softest known mineral is 'TALC'. The hardest known mineral is 'DIAMOND' (according to Friedrich Mohs scale)
Diamond is the hardest mineral currently known and is an allotrope of carbon.
Silicon Dioxide (known as Quartz) is not the hardest mineral, the hardest mineral is an allotrope of carbon called diamond. Quartz is only the 7th hardest mineral.
Diamond.
Diamond is the hardest mineral known.
Diamond is the hardest known mineral, which is a physical property of the mineral.
Diamond is the hardest mineral known.
Diamond
Diamond is the hardest mineral known.
Diamond is the hardest mineral known.