Definitions for "Mohs Scale of Hardness"
An empirical, ascending scale of mineral hardness. (See Table 2.2.)
A scale from 1 to 10 that measures the resistance of gems to being scratched. It is not always the best measure of a gemâ€(tm)s durability (see “Toughness” and “Cleavage”).
The measure of a mineral's hardness in relation to other minerals, based on it's ability to resist scratching.