Bestcrystals . Mohs Hardness ScaleMohs Hardness Scale. The hardness of a stone is one of the properties that contribute to identification. Hardness is also an attribute which is important to be.what is the mohs hardness of basalt,Rock and Mineral Identification for Engineers - FHWA - U.S. .The Rock Basalt (vesicular) . . hardness and reactivity with dilute hydrochloric acid are included for .. Figure 1 is a graph of the Mohs hardness scale applied to.
what is the mohs hardness of basalt