
mineral
Sulphur
Sulfur (S)
AI-generated identification · may be incorrectHardness 1.5 to 2.5 on the Mohs scale, bright yellow color, resinous to greasy luster, and specific gravity around 2.1.
Identified More mineral →
Explore Sulphur in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness 1.5 to 2.5 on the Mohs scale, bright yellow color, resinous to greasy luster, and specific gravity around 2.1.
Formation & geological history
Formed primarily around hot springs, volcanic fumaroles, and in sedimentary evaporite deposits.
Uses & applications
Used extensively in industrial manufacturing of sulfuric acid, fertilizer production, and vulcanization of rubber.
Geological facts
Native sulfur has been known since antiquity and burns with a characteristic blue flame producing sulfur dioxide.
Field identification & locations
Easily identified by its vibrant yellow color, low hardness, and distinctive odor when struck or warmed.