Gallium literally melts in your hand. It’s soft, glass-like, silvery, and has a melting point of 29.76 degrees Celsius—which is just above room temperature, so it will pool in your hand like liquid silver. As a solid, Gallium is brittle and an even poorer electrical conductor than lead. It’s mainly used in microelectronics, medical thermometers, in semiconductor production for laser diodes and solar panels, and it also makes brilliant mirrors—but elemental Gallium doesn’t exist in nature. It’s just a byproduct of aluminium and zinc, so don’t go out panning for it.