All About Glass

All About Glass

This is your resource for exploring various topics in glass: delve deeper with this collection of articles, multimedia, and virtual books all about glass. Content is frequently added to the area, so check back for new items. If you have a topic you'd like to see covered, send us your suggestion. If you have a specific question, Ask a Glass Question at our Rakow Research Library.

Chemistry of Glass
Article

Thousands of different chemical compositions can be made into glass. Different formulas affect the mechanical, electrical, chemical, optical, and thermal properties of the glasses that are produced. There is no single chemical composition that characterizes all glass. Typical glass contains formers

Mappae Clavicula
Article

The oldest of the Rakow Library’s holdings, this 12th-century Latin manuscript might best be described as a chemistry book for the medieval artist. The Mappae clavicula presents more than 200 recipes for making various substances used in art and craft. In these formulas, ingredients found in the

Glass of the Alchemists
Article

In the late 17th century, European glassmakers scored two major successes. In Bohemia, the British Isles, and Germany, they produced crystal glass vessels that resembled natural rock crystal. And in Brandenburg, Germany, they also manufactured red vessels—from gold ruby glass—that looked as if they