Assertion: graphite | /r/HasProperty | converted into diamond
Facets:
Source sentences:
text: Graphite can be converted into diamonds by the action of high temperature (~ 20000 C ) and high pressure (100000 atmosphere) in the presence of transition metals (such as platinum).The artificial diamonds, however, are small in size and generally grey in colour and hence cannot be used as gems.
text: Graphite under the effect of high temperature and high pressure can be converted into diamonds.