Commodity Code

pyrite

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

definition The mineral pyrite, or iron pyrite, also known as fool's gold, is an iron sulfide with the chemical formula FeS2. This mineral's metallic luster and pale brass-yellow hue give it a superficial resemblance to gold, hence the well-known nickname of fool's gold. more like this
notation
01.02.31 more like this
Py more like this
source http://en.wikipedia.org/wiki/Pyrite more like this
type
Resource
Concept
broader industrial mineral
narrower pyrite
in scheme commodity code
is primary topic of pyrite