How Tiffany Stained Glass Is Colored

The colors that you see in Tiffany style stained glass are generally an integral part of the glass and created by the addition of various metal oxides and minerals to the glass while it is in the molten state. Below is a partial list of popular colors and the minerals used to achieve those colors. Manganese creates violet colors Copper creates various red colors and green colors Cobalt creates blues, uranium creates yellows and greens Iron creates greens and browns Gold creates purples and reds Tin creates opaque white Chromium creates emerald Antimony creates yellow, etc. - Jim Hoyle