Chassigny meteorite (IMAGE) University of California - San Diego Caption The Chassigny meteorite in cross-polarized light. This meteorite is dominated by the mineral olivine. Grains are roughly 0.5 millimeters across. Credit Scripps Institution of Oceanography at UC San Diego Usage Restrictions none License Original 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.