OBO ID: CHEBI:33417

Term Name:	diamond		Search Ontology:
Synonyms:	adamas C carbon(cF8) Cn diamant diamante diamond
Definition:	An allotropic form of the element carbon with cubic structure which is thermodynamically stable at pressures above 6 GPa at room temperature and metastable at atmospheric pressure. At low pressures diamond converts rapidly to graphite at temperatures above 1900 K in an inert atmosphere. The chemical bonding between the carbon atoms is covalent with sp(3) hybridization.
References:	CAS:7782-40-3 Gmelin:13847 Gmelin:15667
Ontology:	ChEBI  ( EBI )