Gneiss is often the first major league ore that up and coming miners graduate to. Finding the more expensive variation of Gneiss, called Iridescent Gneiss, is a major coup for these miners.

Gneiss is a popular ore type because it holds a bit of many minerals, increasing its utility value. It has a little something of tritanium, mexallon, isogen and zydrine.

This ore is a compressed and much more dense version of the original ore.