Commodity Code

xenotime-gemstone

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

definition Xenotime is a rare earth phosphate mineral, whose major component is yttrium orthophosphate (YPO4). Occasionally, gemstones are also cut from the finer xenotime crystals. more like this
notation
01.03.40 more like this
XenoGe more like this
source http://en.wikipedia.org/wiki/Xenotime more like this
type
Resource
Concept
broader gemstones
narrower xenotime gemstone
in scheme commodity code
is primary topic of xenotime gemstone