Moh's Hardness Scale - Education Set stone jewelry These remarkable creatures have a

These remarkable creatures have a long evolutionary history spanning the Mesozoic to Cenozoic eras

and bring them back to my studio where I cast them and prep them for stone setting

houseplant observation

and also naturally magnifies the stones

Approximate Size of 1 piece: 8cm x 5cm x 4cmApproximate Weight of 1 piece: 100g

Moh's Hardness Scale - Education Set stone jewelry These remarkable creatures have aDescription: These Moh's hardness scales contain the 9 primary minerals of the Mohs hardness scale (excluding diamond) mounted on an identification plaque. A Mohs Hardness Scale sample kit is a collection of reference minerals with known hardness values, typically ranging from 1 (the softest) to 10 (the hardest), used to test and compare the hardness of unknown materials. Users can scratch the materials with one another to determine the relative