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How is heat treatment of a stone done?

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asked Nov 16, 2016 by Julie Nutt (180 points)

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I talked to a stone guy who says he treats his in a kiln. Supposedly, his grandfather was a stone mason and rocks split easier that way. I am thinking though, you are referring to heat treating a stone to get specific color changes. There may be specific methods to each stone.
answered Nov 19, 2016 by Weasel (46,450 points)

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