Commodity Code

iron oxide

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

definition Commodity of interest is any of the sixteen known iron oxides and oxyhydroxides, extracted from the mined material, exclusive of hematite or magnetite produced as an industrial mineral. more like this
notation
02.04.05.03 more like this
FeOx more like this
source http://en.wikipedia.org/wiki/Iron_oxide more like this
type
Resource
Concept
broader chemical oxide product
narrower iron oxide
in scheme commodity code
is primary topic of iron oxide
narrower ochre
broader iron oxide