Diamond in Kimberlite Rock (IMAGE) University of Southampton Caption This is a diamond in kimberlite rock, Jwaneng Diamond Mine, Botswana. Credit Professor Tom Gernon Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.