Guide to Turquoise Treatment Terms

Guide to Turquoise Treatment Terms

Turquoise is often treated in various ways to enhance its appearance. This quick guide to the terminology used to describe those enhancements will help you make a smart buying decision when purchasing turquoise cabochons, beads or loose stones. 



Untreated, chemically or otherwise.


Electrochemically treated to improve color; no resins or dyes are used.


Resin added to darken and harden; less brittle than natural or enhanced turquoise.