Commodity Code

quartz-gemstone

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

definition Quartz is the most common mineral on the face of the Earth. Some macrocrystalline (large crystal) varieties are well known and popular as ornamental stone and as gemstones. more like this
narrower amethyst
broader quartz gemstone
citrine
broader quartz gemstone
rose quartz
broader quartz gemstone
smokey quartz
broader quartz gemstone
notation
01.03.25 more like this
QtzGe more like this
source http://www.galleries.com/Quartz more like this
type
Resource
Concept
broader gemstones
narrower quartz gemstone
in scheme commodity code
is primary topic of quartz gemstone