Stained glass is an artistic medium that explores the scattering property of colored and translucent glass panes. Glass is generally made by fusing together some form of silica such as sand, an alkali such as potash or soda, and lime or lead oxide. The color is imparted by adding a metallic oxide to these raw materials. Under different conditions, copper oxide imparts ruby, blue, or green color to glass. Cobalt is usually employed to produce glass with most shades of blue color. Stained ... Read more

Stained glass is an artistic medium that explores the scattering property of colored and translucent glass panes. Glass is generally made by fusing together some form of silica such as sand, an alkali such as potash or soda, and lime or lead oxide. The color is imparted by adding a metallic oxide to these raw materials. Under different conditions, copper oxide imparts ruby, blue, or green color to glass. Cobalt is usually employed to produce glass with most shades of blue color. Stained ... Read more