http://resource.geosciml.org/classifier/cgi/commodity-code/graphite
definition | Graphite is a polymorph of the element carbon. diamond is another polymorph. The two share the same chemistry, carbon, but have very different structures and very different properties. | ![]() |
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source | http://www.galleries.com/Graphite | ![]() |
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in scheme | commodity code | |||||
is primary topic of | graphite |