NOUN
- a scale of hardness of solids; talc is 0 and diamond is 10; ordering is determined by which substance can scratch another substance
How To Use Mohs scale In A Sentence
- Lithium is extraordinarily soft for a metal with a rating of 0.6 on the Mohs scale, softer even than talc, whose Mohs rating is 1.
- Diamond has been assigned a hardness value of 10, only a single point higher than corundum on Mohs scale, although it is far harder than this would indicate.
- Several authors mention the use of emery, which technically is a fine sand made from a very hard form of aluminum oxide (corundum) which has a Mohs scale hardness of 9, but the term has been used loosely as "emery" per se was not available in Egypt. Interactive Dig Hierakonpolis - Hierakonpolis 2009 - Field Note 3
