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2. Wikipedia:WikiProject Gemology and Jewelry - Wikipedia

   en.wikipedia.org/wiki/Wikipedia:WikiProject...

   The assessment department focuses on assessing the quality of Wikipedia's Gemology and Jewelry articles. While much of the work is done in conjunction with the WP:1.0 program, the article ratings are also used within the project itself to aid in recognising excellent contributions and identifying topics in need of further work.

3. Gemmological Association of Great Britain - Wikipedia

   en.wikipedia.org/wiki/Gemmological_Association...

   This committee matured into the Gemmological Association of Great Britain, a Branch of the NAG, and eventually became a wholly independent organisation. Now Gem-A is a registered United Kingdom -based charity and its gemmology and diamond courses are taught in some 25 countries worldwide.

4. Gemological Institute of America - Wikipedia

   en.wikipedia.org/wiki/Gemological_Institute_of...

   Website. www .gia .edu. The Gemological Institute of America ( GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. [1] Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to ...

5. Graphite-Epoxy Motor - Wikipedia

   en.wikipedia.org/wiki/Graphite-Epoxy_Motor

   The Graphite-Epoxy Motor ( GEM) is a family of solid rocket boosters developed in the late 1980s and used since 1990. GEM motors are manufactured with carbon-fibre-reinforced polymer casings and a fuel consisting of HTPB -bound ammonium perchlorate composite propellant. GEM is produced by Northrop Grumman Space Systems. [1]

6. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   ^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In 2008 ...

7. Gemology - Wikipedia

   en.wikipedia.org/wiki/Gemology

   Gemology. Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a geoscience and a branch of Stoneology and mineralogy. Some jewelers (and many non-jewelers) are academically trained gemologists and are qualified to identify and evaluate gems. [1] [2]