Mohs Scale

  • (noun): A scale of hardness of solids; talc is 0 and diamond is 10; ordering is determined by which substance can scratch another substance.

Some articles on mohs, mohs scale:

Stone Sculpture - Types of Stone Used in Carving
... Soapstone, with a Mohs hardness of about 2, is an easily worked stone, commonly used by beginning students of stone carving ... alberene, and softer kinds of serpentine, all about 3 on the Mohs scale, are more durable than soapstone ... Limestone and sandstone, at about 4 on the Mohs scale, are the only sedimentary stones commonly carved ...

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