-
Gemology or
gemmology is the
science dealing with
natural and
artificial gemstone materials. It is a
specific interdisciplinary branch of mineralogy. Some...
- An
asterism (from
Ancient Gr**** ἀστήρ (astḗr) 'star' and -ism) is a star-shaped
concentration of
light reflected or
refracted from a gemstone. It can appear...
- Gems &
Gemology is a
quarterly scientific journal published by the
Gemological Institute of America. Each
issue is
devoted to
research on diamonds, gemstones...
- "Identification of
extraterrestrial peridot by
trace elements". Gems &
Gemology. 47 (3): 208–213. doi:10.5741/GEMS.47.3.208. "St. John's
Island peridot...
- is
often reflected in the use of
terms such as "Colombian emerald". In
gemology,
color is
divided into
three components: hue, saturation, and tone. Emeralds...
- co-aut****d a
number of
books on gems as well as
numerous articles on
gemology over the past 34 years. He
received the
American Gem Society's Richard...
- Koivula, J.I. (2004). "Amethyst from four peaks, Arizona" (PDF). Gems &
Gemology. 40 (3): 230–238. doi:10.5741/GEMS.40.3.230.
Archived (PDF) from the original...
- the Ford
Motor Company,
fordite has been
around since the 1920s. Gems &
Gemology claims fordite "was
first collected at Ford
Motor Company in
Michigan in...
- an
independent report from a
respected laboratory such as GIA,
Lotus Gemology, or SSEF, is
often required by
buyers before they will make a purchase...
-
Geological Institute. p. 344. Holmes,
Ralph J.; Crowningshield,
Robert (1983). "
Gemology". In Fyfe,
Keith (ed.). The
Encyclopedia of Mineralogy.
Encyclopedia of...
