Glass.Ceramic heating, Movie Library – Halogen Point Heater Heating, melting and vitrification of rocks series 3 – Sandstone Wednesday December 17th, 2014 HEAT-TECH info This video is a Heating sandstone by the Halogen Point Heater. Please check the following site for more information. Related page: Heating, melting and vitrification of rocks series 31 – Tiger eye stone Heating, melting and vitrification of rocks series 23 – Sandstones Heating, melting and vitrification of rocks series 26 – Chalcopyrite Heating, melting and vitrification of rocks series 27 – Fluorite Heating, melting and vitrification of rocks series 30 – Amethyst 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 17 – Sodalite