Damascus Sword (image) Science China Press Caption This is an example of a Damascus sword with a typical Damascus pattern of Muhammad ladder and rose. Microstructural examination of the blade indicates that rows of cementite particles (in black) form the Damascus patterns. Credit ©Science China Press Usage Restrictions None 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.