Commodity Code

nickel

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

definition Nickel is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile. more like this
notation
02.01.01.04 more like this
Ni more like this
source http://en.wikipedia.org/wiki/Nickel more like this
type
Resource
Concept
broader base metal
narrower nickel
in scheme commodity code
is primary topic of nickel