How can I identify Soapstone?
- Scratch the surface of the stone with your fingernail. Soapstone is very soft; it is assigned a rating of 2 on the Mohs Hardness Scale, which makes it possible to leave marks on the surface of the stone with your fingernail.
- Rub the stone. There should be a waxy, soapy feel to the surface of the stone, whether it is polished or not.
- Test the stone's temperature. Soapstone retains more heat than any other material. Compared to other stove building materials, soapstone has the capacity to store twice as much heat as steel.
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