Glass.Ceramic heating, Movie Library – Halogen Point Heater Heating, melting and vitrification of rocks series 10 – Crystalline schist Thursday January 22nd, 2015 HEAT-TECH info This video is a Heating Crystalline schist by the Halogen Point Heater. Please check the following site for more information. Related page: Heating, melting and vitrification of rocks series 3 – Sandstone Heating, melting and vitrification of rocks series 4 – Turbidite Heating, melting and vitrification of rocks series 5 – Conglomerate stone Heating, melting and vitrification of rocks series 6 – Pink-Granite Heating, melting and vitrification of rocks series 7 – Basalt Heating, melting and vitrification of rocks series 12 – Lava stone Heating, melting and vitrification of rocks series 13 – Brick Heating, melting and vitrification of rocks series 14 – Cement brick