As nouns the difference between gemstone and gemmology
is that gemstone is a gem, usually made of minerals while gemmology is (mineralogy|petrology) the branch of mineralogy that studies mineral gems and petrified gemstones.
gemstone
English
Noun
(
en noun)
a gem, usually made of minerals.
Synonyms
* See also
gemmology
Alternative forms
* gemology
Noun
(-)
(mineralogy, petrology) the branch of mineralogy that studies mineral gems and petrified gemstones
Derived terms
* gemmological
* gemmologist