Sulfur

Sulfur was a very common element that was found on various planets in the galaxy. Sulfur, along with methane, comprised the clouds of the planet Bastatha. The desert planet Florrum had sulfuric geysers. The cracked planet Lola Sayu had an ocean of lava known as the Sulfur Sea. Sulfur crystals could be found at the ocean bottoms of one ocean planet Inhaling sulfur was used as a stimulant for the Devaronian species.