mineral
Small yellow mineral specimen (possibly sulfur)
Unidentified; appearance alone is insufficient to confirm sulfur
AI-generated identification · may be incorrectA small pale-yellow, irregular piece on a display card; hardness, luster, crystal structure, cleavage, and specific gravity cannot be reliably determined from the image. Native sulfur is typically Mohs 1.5–2.5 with a resinous to greasy luster.
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Physical properties
A small pale-yellow, irregular piece on a display card; hardness, luster, crystal structure, cleavage, and specific gravity cannot be reliably determined from the image. Native sulfur is typically Mohs 1.5–2.5 with a resinous to greasy luster.
Formation & geological history
If sulfur, it commonly forms around volcanic vents and in sedimentary deposits through volcanic sublimation or microbial reduction of sulfate; its age depends on the deposit.
Uses & applications
Sulfur is used to manufacture sulfuric acid and fertilizers, and for chemicals and vulcanized rubber; this tiny specimen is primarily for display or collecting.
Geological facts
The specimen’s identity cannot be established from its color and size alone; other yellow minerals or processed materials can look similar.
Field identification & locations
Check for sulfur’s very low hardness and characteristic odor when rubbed, but avoid burning or inhaling fumes. Sulfur occurs in volcanic regions and evaporite basins worldwide.
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