alunite

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

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