Commodity Code

alunite

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

definition A trigonal hydrated aluminium potassium, sulfate mineral, KAl3(SO4)2(OH)6 mined for the manufacture of alum. more like this
notation
01.02.02 more like this
Alu more like this
source http://www.webmineral.com/data/Alunite.shtml http; http://en.wikipedia.org/wiki/Alunite more like this
type
Resource
Concept
broader industrial mineral
narrower alunite
in scheme commodity code
is primary topic of alunite