Heating, melting and vitrification of rocks series 23 – Sandstones HEAT-TECH info 7 years ago This video is a heating, melting and vitrification of Sandstones by the Halogen Point Heater. Please check the following site for more information. Related page: Heating, melting and vitrification of rocks series 7 – Basalt Heating, melting and vitrification of rocks series 8 – Limestone Heating, melting and vitrification of rocks series 9 – Granite Heating, melting and vitrification of rocks series 26 – Chalcopyrite Heating, melting and vitrification of rocks series 30 – Amethyst Heating, melting and vitrification of rocks series 33 – Biotite Heating, melting and vitrification of rocks series 34 – Barite Heating, melting and vitrification of rocks series 35 – Calcite