Wiktionary
glassify
vb. 1 to convert a (silica-bearing) material to a glasslike substance by applying heat 2 to convert sand or soil (of a particular geographic area) to a glasslike state using the heat from a thermonuclear detonation 3 to convert radioactive waste into a glasslike substance for long-term storage
Usage examples of "glassify".
Energy beamed down from the strange-matter engines in the big ship can boil water out of crystalline rock, cook air from oxides, smelt ores into steel to build all the habitats they want, and glassify rock to let the sunlight in.