A gemstone or gem is a piece of mineral crystal, which, in cut and polished form,
is used to ... more valuable than a mid-quality emerald. Another unscientific term
for semi-precious gemstones used ...
Apr 7, 2009 ... The earliest gemstones include amber, turquoise, coral, lapis lazuli and
malachite. These materials were easy to find and easy to work.
Gemstones have been known and valued throughout history. Many have been
associated with symbolic ...
While many universities may offer a course or two on gemstones and gemology,
GIA's primary purpose is to provide an authoritative, complete, and reliable ...
Feb 9, 2012 ... Other gems are notorious for the myths surrounding their history, such ... Take a
journey through these gorgeous gemstones and the titillating ...
... one of the most sought-after gems of European royalty and the upper classes.
... Explore ruby history, research, quality factors, and more in the GIA Gem ...
A full and complete history of the lapidary arts, from 70000 BC to present day. ...
The practice of cutting gemstones to a specific configuration along with the ...
Smithsonian National Museum of Natural History ... Acasta Gneiss; Afghanite;
African Gems; Agate; Alexandrites; Allan Hills 84001; Almandine schist; Amazing
The idea of dividing gemstones into the categories of precious and semi-precious
is a relatively modern idea. The word semiprecious itself entered the English ...
May 23, 2013 ... From Kim Kardashian's ears to the annals of royal history (and Cannes, too).