Berolium


 * tradeables

Berolium is a naturally occuring liquid that is found in most worlds any where from a small to a large quantity. This fuel has an excellent ability of releasing large amounts of energy when heated thus it finds a niche in being a starship economic fuel. This fuel has a sufficient amount of green energy crystals in it. These should not be removed as berolium pure liquid is highly radioactive. This liquid is cheap to mine as all you need to have is a large supply of yellow energy. Yellow energy can grip the green energy crystals and thus you can extract berolium in its liquid from without sacrificing any other valuable minerals.