Points of Interest
There is a mystery to glass. Glass is a form of matter with gas, liquid, and solid state properties. Glass is most like a super cold liquid. It captures light and glows from within. It is a jewel like substance made from the most ordinary materials, and transformed by fire.
Before recorded history, man learned to make glass and color it by adding salts and oxides. These minerals within the glass capture specific portions of the spectrum of white light, allowing the human eye to see various colors.
Gold produces stunning cranberry, cobalt makes blues; silver creates yellows and gold, while copper makes greens and brick red.
Techniques of stained glass construction were described as early as 1100 AD and have changed very little over 900 years.
Text courtesy: ART GLASS ASSOCIATION, member affiliated.