Adjective
gemological
Of or pertaining to gemology.
Although these may also be legitimately referred to as "pearls" by gemological labs and also under U.S. Federal Trade Commission rules, citation and are formed in the same way, most of them have no value except as curiosities. Source: Internet
Electronic thermal probes are widely used in the gemological centers to separate diamonds from their imitations. Source: Internet
Dopants are added to some manufactured rubies so they can be identified as synthetic, but most need gemological testing to determine their origin. Source: Internet
Gemological identification A well-equipped gem testing laboratory can distinguish natural pearls from cultured pearls by using gemological X-ray equipment to examine the center of a pearl. Source: Internet
Now she’s enrolled at the Gemological Institute of America and scouring the globe for treasures like this signed necklace by Henry Dunay: Believed to be the only one of its kind, it showcases the acclaimed jeweler’s fine etching technique. Source: Internet
Industrial diamonds are valued mostly for their hardness and heat conductivity, with the gemological qualities of clarity and color being mostly irrelevant. Source: Internet