Daylight Fluorescent Opal

Posted on April 30, 2018 by John J. Bradshaw, GIA GG

Semi-transparent to transparent opal that is capable of being faceted is not unusual. Most are familiar with the cherry opal from Mexico, ranging in color from a yellowish- orange to reddish-orange, some with a play…

GemWorld articles are accessible by GemGuide members only.
Already a member?

Click here and Login


To access our archive of articles and get many other great features and benefits, become a member now!

Become a member