Glossary Blog

Carroll F. Chatham was a San Francisco chemist whose study of gemstone synthesys...

A type of setting often used in mounting a number a small stones of uniform size in a row, usually ...

A microscopically crystalline variety of quartz forming in almost transparant to translucent masses...

Ceylon is a gem-rich island off the southern tip of Sri Lanka that produces a beautiful, deep blue sapphire, though still paler than the famous Kashmir sapphire.