This video is a heating, melting and vitrification of Siderite by the Halogen Point Heater.

Please check the following site for more information.

Related page:

Heating, melting and vitrification of rocks series 4 – Turbidite Heating, melting and vitrification of rocks series 6 – Pink-Granite Heating, melting and vitrification of rocks series 13 – Brick Heating, melting and vitrification of rocks series 23 – Sandstones Heating, melting and vitrification of rocks series 29 – Blue Aragonite Green glass coating－１ Heating, melting and vitrification of rocks series 32 – Silicic plaster (Anhydrite) Heating, melting and vitrification of rocks series 38 – Goethite