RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA / SCIENCE PHOTO LIBRARY
Mercury (Hg, silver) in a host rock. Mercury has a melting point of -38.8 degrees Celsius, making it the only metal that is liquid at standard conditions for temperature and pressure. It has an extremely high surface tension and will form droplets that appear to roll around on hard surfaces. Mercury is also highly toxic.
Model release not required. Property release not required.