HARDNESS DETERMINATION
- EXERCISES -
"THE MATERIAL THAT SCRATCHES ANOTHER IS THE HARDER OF THE TWO"
DO THE FOLLOWING EXERCISES IN ORDER:
EXERCISE A - A SIMPLE HARDNESS SCALE
EXERCISE B - THE MOHS SCALE OF HARDNESS
EXERCISE C - THE HARDNESS OF NON-MOHS MINERALS
© 2001, David J. Leveson