Commodity Code

feldspar

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

definition Feldspars (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8) are a group of rock-forming tectosilicate minerals that make up as much as 60% of the Earth's crust. more like this
notation
01.02.16 more like this
Feld more like this
source http://en.wikipedia.org/wiki/Feldspar more like this
type
Resource
Concept
broader industrial mineral
narrower feldspar
in scheme commodity code
is primary topic of feldspar