Favrile glass
（重定向自Favrile）
Favrile glass is a type of iridescent art glass designed by Louis Comfort Tiffany. It was patented in 1894 and first produced in 1896. It differs from most iridescent glasses because the color is ingrained in the glass itself, as well as having distinctive coloring. Favrile glass was used in Tiffany's stained-glass windows.