Hardness is often represented on the Mohs scale, a nonlinear scale of scratch resistance varying from 1 (talc) to 10 (diamond).
(Hardness; is represented; L:on the Mohs scale; T:often) (a nonlinear scale of scratch resistance; varying; from 1 (talc) to 10 (diamond)
Hardness a nonlinear scale of scratch resistance
is represented varying
L:on the Mohs scale T:often
from 1 (talc) to 10 (diamond