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iridium

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

definition Iridium is the chemical element with symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum family more like this
notation
02.01.02.03.1 more like this
Ir more like this
source http://en.wikipedia.org/wiki/Iridium more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/platinum-group original
narrower iridium original
in scheme commodity-code original
is primary topic of iridium