Glass.Ceramic heating, Movie Library – Halogen Point Heater Heating, melting and vitrification of rocks series 11 – Chart stone Monday January 26th, 2015 HEAT-TECH info This video is a Heating Chart stone 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 22 – Coral stone Heating, melting and vitrification of rocks series 5 – Conglomerate stone Heating, melting and vitrification of rocks series 12 – Lava 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 30 – Amethyst Heating, melting and vitrification of rocks series 27 – Fluorite