Sulfur
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Mineral NameSulfur
Chemical FormulaS
Mohs Hardness1.5
Crystal Systemorthorhombic
Lusterresinous
Streak Colorwhite to pale yellow
Cleavagepoor/imperfect on {001}, {110}, {111}
Fractureconchoidal
Specific Gravity2.07
Colorsyellow, brownish-yellow, greenish-yellow
Transparencytransparent to translucent
Type LocalitySicily, Italy
Mineral GroupNative Elements
Usesindustrial, chemical production, fertilizers, pesticides
Associated Mineralscalcite, aragonite, gypsum, celestine
Raritycommon
Description
A bright yellow, massive specimen of sulfur, exhibiting a resinous luster and a distinct color.
Geological Context
Sulfur commonly forms in volcanic regions from fumaroles, in sedimentary deposits through the reduction of sulfates by bacteria, or as a product of sulfide oxidation. It is often found in evaporite deposits or associated with salt domes.
