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Mohs Scale
By FRANTZ
Unit of measure of a mineral's scratch resistance.
Can be used as a heuristic to estimate how difficult it is (how much labor time) it takes to produce an ancient artifact. See: Jade Carving
By FRANTZ
Unit of measure of a mineral's scratch resistance.
Can be used as a heuristic to estimate how difficult it is (how much labor time) it takes to produce an ancient artifact. See: Jade Carving