Blue Thermal flagstone is accomplished by taking a piece of a saw cut stone, wetting down the edges and heating it with a torch.   The stone has a smooth texture with a very consistent surface. There is no fluctuation in size.  Color appearance of the flagstone is blue. 

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Thermal flagstone is accomplished by taking a piece of a saw cut stone, wetting down the edges and heating it with a torch.  The stone has a smooth texture with a very consistent surface. There is no fluctuation in size. Color appearance may vary.  Blue, gray, green, tan, rust and lilac can be found in all or some of the pieces