Commodity Code

zircon

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

definition Zircon (/ˈzɜrkən/; including hyacinth or yellow zircon) is a mineral belonging to the group of nesosilicates. Its chemical name is zirconium silicate and its corresponding chemical formula is ZrSiO4. A common empirical formula showing some of the range of substitution in zircon is (Zr1–y, REEy)(SiO4)1–x(OH)4x–y more like this
notation
01.02.47 more like this
Zir more like this
source http://en.wikipedia.org/wiki/Zircon more like this
type
Resource
Concept
broader industrial mineral
narrower zircon
in scheme commodity code
is primary topic of zircon