Glass is an amorphous solid. Because it is often transparent and chemically inert, glass has found widespread practical, technological, and decorative use in window panes, tableware, and optics. Some
A glass building facade
A piece of volcanic obsidian glass
Moldavite, a natural glass formed by meteorite impact, from Besednice, Bohemia
Glass-ceramics are polycrystalline materials produced through controlled crystallization of base glass, producing a fine uniform dispersion of crystals throughout the bulk material. Crystallization is
SEM image of two bone-forming osteoblasts crawling over monetite crystals
Ceran cooktop (left to right): Induction, gas, and radiant heating
Infrared, Ceran glass-ceramic radiant heat cooktop
Visible light, Ceran glass-ceramic radiant heat cooktop