sedimentary
Red Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness 6.5-7 on the Mohs scale, opaque red to reddish-brown color, vitreous to dull luster, and conchoidal fracture.
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Physical properties
Hardness 6.5-7 on the Mohs scale, opaque red to reddish-brown color, vitreous to dull luster, and conchoidal fracture.
Formation & geological history
Formed from silica-rich sediments or volcanic ash, often precipitated in marine environments, dating back billions of years.
Uses & applications
Used widely in ornamental carvings, cabochons, jewelry, and metaphysical practices.
Geological facts
Red jasper has been used since ancient times by various civilizations for amulets, seals, and weaponry components like arrowheads.
Field identification & locations
Easily identified by its deep red color, lack of cleavage, and high hardness that scratches glass; found globally in riverbeds and mountainous regions.
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