Native Sulfur
Mineral NameNative Sulfur
Chemical FormulaS
Mohs Hardness2
Crystal Systemorthorhombic
Lusterresinous
Streak Coloryellow to white
Cleavagepoor on {001}, {110}, and {111}
Fractureconchoidal
Specific Gravity2.07
Colorsyellow, yellowish-brown, greenish-yellow, reddish-yellow
Transparencytransparent to translucent
Type LocalityVulcano Island, Italy
Mineral GroupNative Elements
Usesindustrial (sulfuric acid, fertilizers, pesticides), medicinal, collector
Associated Mineralsgypsum, calcite, aragonite, celestine, realgar, orpiment
Raritycommon
Description
The image displays a volcanic landscape with distinct yellowish deposits, indicative of native sulfur, often found in fumarolic areas.
Geological Context
Native sulfur typically forms in volcanic and fumarolic environments from the oxidation of hydrogen sulfide or reduction of sulfur dioxide, or in evaporite deposits through bacterial reduction of sulfates.