Heating, melting and vitrification of rocks series 12 – Lava stone HEAT-TECH info 9 years ago This video is aHeating, melting and vitrification of Lava stone by the Halogen Point Heater. Please check the following site for more information. Related page: Heating, melting and vitrification of rocks series 1 – The fine grain sand of kobe Maiko beach Heating, melting and vitrification of rocks series 2 – The medium grain sand of kobe Maiko beach Heating, melting and vitrification of rocks series 3 – Sandstone 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 10 – Crystalline schist Heating, melting and vitrification of rocks series 11 – Chart stone Heating, melting and vitrification of rocks series 15 – Summary version