Mika McKinnon on Twitter: "Diamond and graphite are the exact same chemical composition: carbon with carbon and more carbon. But their crystal structures are totally different, and that makes all the difference
Graphite: The mineral Graphite information and pictures
Graphite
Allotropes of carbon - Wikipedia
Graphite Graphite is made up of carbon atoms. Chemical formula: C It is an allotrope of carbon. Ex. Graphite vs. Diamond Graphite has the same. - ppt download