Sulfur
Sulfur or sulphur (symbol S) is a chemical element, archaically known as brimstone.

The idiom "fire and brimstone" was often used in reference to Hell. () Similarly, in a line of dialogue from the Shakespeare  Hamlet, a  mentioned "sulphurous and tormenting flames" which he would have to render himself to. ()

The sulfur lagoons of Hokath were a vacationing spot favored by the Voth. () Similarly, the sulfur lagoons of Gorath were used as a test of endurance for Klingons on the Day of Honor. () 

In 2369, Kira Nerys told Bajoran farmer Mullibok, after supper in his cottage, that he couldn't stay on the moon Jerrado. Once the tapping started, the moon's crust would release sulfur and carbon compounds that would make Jeraddo's air unbreathable. ()

The Doctor, after being transferred to the Alpha Quadrant to treat an uncooperative Lewis Zimmerman, suggested he would be off to visit and explore sulfur mines if Zimmerman continued to object to being treated. ()

Sulfur compounds 

When combined with potassium nitrate and coal, sulfur could be used to create gunpowder. () Native sulfur could be found on a desert planet where, in 2267, James T. Kirk fought a Gorn captain. While pitted against the aforementioned Gorn captain, Kirk included some of the native sulfur from the planet's surface in the creation of gunpowder which he fired at the Gorn. ()

See also 
 Ammonium sulfide
 Disulfide
 Hydrogen sulfate 
 Hydrogen sulfide
 Nitrogen sulfide
 Pyrosulfate
 Sulfide
 Sulfur dioxide
 Yominum sulfide

External links
 
 
 

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Elements
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