gemology

UK/d͡ʒɛmˈɑl.ə.dʒi/US/d͡ʒɛmˈɑl.ə.dʒi/

nounC2Very rare — outside the 30,000 commonest English words, so you will meet it in writing rather than in speechToo rare in one of the two pools to compare — fewer than 20 uses in speech or in writing

Gemology is the study of precious stones. Take a course in gemology.

It is mostly identification, since a synthetic stone can be chemically identical to a natural one. Gemology relies on tiny flaws, because those are what tell you where a stone grew.

Definitions of gemology

1noungemologyThe study of precious stones.C2
“Gemology told them the stone was real and worthless.”

gemology is a study.

Also accepted in games: gemmology

Where it comes from

From gem + -ology.

Etymology from Wiktionary, CC BY-SA

Practised in Jewellery & Watches

Practise this word

gemology in the wild

In gemology, aventurescence (sometimes called aventurization) is an optical reflectance effect seen in certain gems.
Aventurescence
In gemology, it is an object enclosed within a gemstone or reaching its surface from the interior.
Inclusion (mineral)
Issues contain research articles, updates from the GIA Laboratory and international gemology news.
Gems & Gemology
An educator in gemology, he contributed in the area of diamond quality grading and gem identification.
Richard T. Liddicoat
The Lapidary Journal Jewelry Artist is an American magazine dedicated to lapidary interests such as gemology, jewelry design, metalworking, mineralogy, rocks, and gemstones.
Lapidary Journal Jewelry Artist

From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

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