Commodity Code

beryl

http://resource.geosciml.org/classifier/cgi/commodity-code/beryl

definition Beryl is often unknown to the general public, even the gemstone-buying public. However, it is one of the most important gem minerals. Beryl is colorless in pure form; it is the many different impurities that give beryl its varied coloration. more like this
narrower aquamarine
broader beryl
emerald
broader beryl
heliodor
broader beryl
morganite
broader beryl
notation
01.03.03 more like this
Brl more like this
source http://www.galleries.com/Beryl more like this
type
Resource
Concept
broader gemstones
narrower beryl
in scheme commodity code
is primary topic of beryl