Stone_flaming
Stone flaming
Application of high temperature to the surface of stone to make it look like natural weathering
Stone flaming or thermaling is the application of high temperature to the surface of stone to make it look like natural weathering.[1][2] The sudden application of a torch to the surface of stone causes the surface layer to expand and flake off, exposing rough stone.
Flaming works well on granite, because granite is made up of minerals with differing heat expansion rates.