Heating, melting and vitrification of rocks series 18 – Lapis lazuli HEAT-TECH info 7 years ago This video is a heating, melting and vitrification of Lapis lazuli by the Halogen Point Heater. Please check the following site for more information. Related page: Heating dissolution of green glass pieces with a halogen point heater HPH-160 / f40 Heating dissolution of brown glass pieces with a halogen point heater HPH-160 / f40 Heating dissolution of silver decoration (Imitation diamond) button with a halogen point heater HPH-160 / f40 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 14 – Cement brick Dissolution of black glass beads with a halogen point heater HPH-160/f40 Heating, melting and vitrification of rocks series 21 – Crystal Point