Diamond is the hardest mineral on the Mohs scale.
Step-by-step explanation:
In Vickers scale and Mohs scale, Diamond is the hardest natural materail. Antiquity is the one that is associated with the hardness of the diamond when compared with the hardness of other materials. The perfection of the crystal, purity and the orientation are the major factors that dertmines the hardness of the Diamond. Hence, Diamond can be scartched only with other diamond materials.
Because of the hardness of the diamond it comes under the category of Gemstone. The Copeton and Bingara in New Southwales is the place where the most hardest diamond originates. These are used for the purpose of polishing other diamonds since they are smaller.