Diamond-anvil Side View (image) Arizona State University Share Print E-Mail Caption To subject the bridgmanite sample to high pressures, it is held between two anvils made of gem-quality diamond. Credit Dan Shim Usage Restrictions No restrictions if used in connection with reportage on this discovery. Share Print E-Mail 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.