synthetic gem


Also found in: Dictionary, Thesaurus.

synthetic gem

[sin′thed·ik ′jem]
(materials)
A precious or semiprecious stone made by artificial processes, for example, synthetic diamonds made by extreme heat and pressure on carbon, used industrially; and synthetic rubies made by high-temperature crystallization of aluminum oxide, used in laser equipment.
Mentioned in ?
References in periodicals archive ?
Muscat: After coming across people, who were cheated into buying cheap gems for a higher price, Fahad Mahmood Al Balushi decided to open a gem testing lab, which would help people differentiate between authentic and synthetic gems and create awareness about the issue.
Knowing what not to buy--keeping up on the latest treatments and enhancements--is a key part of building the gem collection, although the ROM does purposely pick up examples of enhanced and synthetic gems for its teaching collection, most recently glass-filled rubies, which regularly turn up on the market.
Recent deals include May leases by jeweler Finlay at 529 Fifth Avenue and Hong Kong-based store Carat, which sets upscale synthetic gems in precious metals, at 509 Madison.
Some synthetic gems can fool even the most practiced eye.

Full browser ?