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hematite-gemstone

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

definition Hematite, also spelled as haematite, is the mineral form of iron(III) oxide (Fe2O3), one of several iron oxides. more like this
notation
01.03.15 more like this
HemGe more like this
source http://en.wikipedia.org/wiki/Hematite more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/commodity-code/gemstones original
narrower hematite-gemstone original
in scheme commodity-code original
is primary topic of hematite-gemstone