Commodity Code

germanium

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

star this property definition Germanium is a chemical element with symbol Ge and atomic number 32. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Purified germanium is a semiconductor, with an appearance most similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Unlike silicon, it is too reactive to be found naturally on Earth in the free (native) state. more like this
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02.02.04 more like this
Ge more like this
star this property source http://en.wikipedia.org/wiki/Germanium more like this
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Resource
Concept
star this property broader metalloid
star this property narrower germanium
star this property in scheme commodity code
star this property is primary topic of germanium& properties=notation