Commodity Code

diamond

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

definition Cubic carbon allotrope of exceptional hardness used for cutting and grinding. more like this
notation
01.02.13 more like this
Diam more like this
source http://www.webmineral.com/data/Diamond.shtml http ; http//en.wikipedia.org/wiki/Diamond more like this
type
Resource
Concept
broader industrial mineral
narrower diamond
in scheme commodity code
is primary topic of diamond