- A
gemstone (also
called a fine
gem, jewel,
precious stone,
semiprecious stone, or
simply gem) is a
piece of
mineral crystal which, when cut or polished...
- The
Infinity Gems (originally
referred to as Soul
Gems and
later as
Infinity Stones) are six
fictional gems appearing in
American comic books published...
-
florentined white gold
triangle with a
stone of
brilliant white fabulite—an
artificial gem "developed by the
laser industry and used in
space mechanisms for its...
-
jewelry gems and is very durable.
Other varieties of
gem-quality
corundum are
called sapphires. Ruby is one of the
traditional cardinal gems, alongside...
-
academically trained gemologists and are
qualified to
identify and
evaluate gems.
Rudimentary education in
gemology for
jewellers and
gemologists began in...
-
Shelby Gem Factory was the
production facility of ICT Incorporated, a
company in Shelby, Michigan,
United States, that
manufactured artificial gemstones...
-
court of King
Louis XV of France, and he
controlled a
large market for
artificial gems.
Wealthy through his businesses, he was able to
retire comfortably...
-
Goossens mixed the
genuine stones with the fakes, a
blend of the
artificial gems with the semi-precious for
clients including Coco Chanel, Cristóbal...
-
original on 19 July 2015.
Retrieved 2
January 2016. "Peberholm – an
artificial gem of nature" "Nya
arter hittar till Pepparholm" (in Swedish). 14 June...
- diamonds, but in 1904 he
identified the
crystals as
silicon carbide.
Artificial silicon carbide had been
synthesized in the lab by
Edward G.
Acheson in...
