mineral
Cinnabar in Quartz
HgS + SiO2
AI-generated identification · may be incorrectHardness 2-2.5 for cinnabar, 7 for quartz; vivid bright red to scarlet color; adamantine to dull luster; trigonal crystal system.
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Physical properties
Hardness 2-2.5 for cinnabar, 7 for quartz; vivid bright red to scarlet color; adamantine to dull luster; trigonal crystal system.
Formation & geological history
Formed in low-temperature hydrothermal veins and volcanic zones associated with recent volcanic activity and hot springs.
Uses & applications
Historically mined as the primary ore of mercury; used as a vibrant red pigment (vermilion) and collected as mineral specimens.
Geological facts
Cinnabar is a mercury sulfide mineral that is highly toxic if ingested or inhaled, and specimens should be handled with care.
Field identification & locations
Easily identified by its distinctive bright red color and high density, often found globally in epithermal mercury deposits.
