Contrary to the popular belief that "diamonds are forever", they are in fact thermodynamically unstable under normal conditions and transform into graphite.. 
Ófaraksì jẹ́ ìkan nínú àdìpọ̀ Kalkojìn lórí tábìlì alákọ́kọ́, bẹ̀ Sínì ó jẹ́ àpilẹ̀ṣe aláìṣẹ̀onídẹ highly adarapọ̀ gidigidi tó ùndá that readily forms àdàpọ̀ kíákíá (àgàgà àwọn olófarajìn) pẹ̀lú gbogbo àwọn àpilẹ̀ṣe yìókù.. 