Commodity Code

rare earth element

http://resource.geosciml.org/classifier/cgi/commodity-code/rare-earth-element

star this property alt label
TREE more like this
star this property definition As defined by IUPAC, a rare earth element (REE) or rare earth metal is one of a set of seventeen chemical elements in the periodic table, specifically the fifteen lanthanides plus scandium and yttrium. Scandium and yttrium are considered rare earth elements because they tend to occur in the same ore deposits as the lanthanides and exhibit similar chemical properties. more like this
star this property narrower hree
star this property broader rare earth element
lree
star this property broader rare earth element
star this property notation
02.01.03 more like this
REE more like this
star this property source http://en.wikipedia.org/wiki/Rare_earth_element more like this
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Resource
Concept
star this property broader metal
star this property narrower rare earth element
unstar this property in scheme commodity code
star this property is primary topic of rare earth element& properties=inScheme,prefLabel