Limited time offer! 25% OFF - 3B LASER System and 3B LASER PEN - Use Code: LASER25

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Mohs' hardness scale, 1018488 [U72025], Determination Methods

Mohs' hardness scale

$ 70.00
Item: 1018488 [U72025]

Geological Compass, 1018441 [U73005], Determination Methods

Geological Compass

$ 199.00
Item: 1018441 [U73005]