Vionesium

Vionesium is a rare element within the same family as magnesium. It reacts with oxygen to produce light and carbon dioxide in large quantities. Due to the atmosphere of Mogar, it can be found and safely mined on the planet. (DW: Terror of the Vervoids)


 * For it to be chemically similar to magnesium, and yet an unknown element, it would have to be a transuranic element on the part of part of the periodic table that is currently only theoretical. This would make it heavier than gold, highly radioactive, and very unstable.