Callisto

Callisto (Jupiter IV) is a moon of the planet Jupiter. It was discovered in 1610 by Galileo Galilei. It is the third-largest moon in the Solar System

Mineral Survey

Mineral	2031
Duranium	409,905 (0.9)
Neutronium	33,493 (0.9)
Tritanium	120,053 (0.8)
Mercassium	81,452 (0.2)
Vendarite	42,239 (0.3)
Sorium	58,275 (1.0)
Gallicite	83,255 (0.4)