A glass or crystalline solid is a solid material whose constituents (such as atoms, molecules, or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.
Tableware such as drinking glasses, plate, cups, bowls are made of glass,those objects could be engraved by CO2 laser engraver.
Glass CO2 Laser Engraving:
20W 30W 60W Cabinet Galvo Co2 Laser Marking System
Glass UV Laser Engraving:
Glass 3W 5W UV Laser Engraving Machine