Iridescence is an optical effect where surfaces appear to change color as the...

The cutting, polishing, and engraving of stones and gems.

A type of tesserae used to make mosaics, it is the traditional glass mosaic tile of choice...

A glass-like substance used in pigments, enamels and pottery glazes...

Learn all about mosaics. A sculptural art form where the picture is made using small pieces of glass, ceramic tile or other materials...