Commodity Code

zinc

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

definition Zinc is a metallic chemical element; it has the symbol Zn and atomic number 30. It is the first element of group 12 of the periodic table. In some respects zinc is chemically similar to magnesium: its ion is of similar size and its only common oxidation state is +2. Zinc is the 24th most abundant element in the Earth's crust and has five stable isotopes. more like this
notation
02.01.01.05 more like this
Zn more like this
source http://en.wikipedia.org/wiki/Zinc more like this
type
Resource
Concept
broader base metal
narrower zinc
in scheme commodity code
is primary topic of zinc