mineral
Sulfur on Rock Matrix
Sulfur (S) on host rock
AI-generated identification · may be incorrectHardness of 1.5 to 2.5 on the Mohs scale, distinct bright yellow color, resinous to greasy luster, orthorhombic crystal system, and poor cleavage.
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Physical properties
Hardness of 1.5 to 2.5 on the Mohs scale, distinct bright yellow color, resinous to greasy luster, orthorhombic crystal system, and poor cleavage.
Formation & geological history
Formed around hot springs, volcanic fumaroles, and through the action of sulfur-reducing bacteria in sedimentary deposits.
Uses & applications
Used in the manufacture of chemicals, fertilizers, matches, and gunpowder, as well as valued by mineral collectors.
Geological facts
Native sulfur has been known since ancient times and burns with a distinctive blue flame, emitting sulfur dioxide gas.
Field identification & locations
Easily identified in the field by its vibrant yellow color, low hardness, and characteristic odor when rubbed or heated; found globally in volcanic regions.
