Close-Up of Metallic Salts or 'Rust' on Surface of the Lunar 'Rusty Rock' (image) University of California - San Diego Share Print E-Mail Caption This is a close-up photo of metallic salts or 'rust' on surface of 66095 -- the lunar 'Rusty Rock'. Note the appearance of a crust under the colored salts. 10 x magnification. NASA S72-48424. Credit NASA Usage Restrictions None 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.