sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, red to brown color due to iron oxides, waxy luster, and conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, red to brown color due to iron oxides, waxy luster, and conchoidal fracture.
Formation & geological history
Formed through the silification of sedimentary or volcanic deposits, often in ancient marine environments.
Uses & applications
Used widely in decorative carvings, cabochons, jewelry, and as a collector specimen.
Geological facts
Jasper has been used since ancient times for seals, talismans, and ornamental tools.
Field identification & locations
Easily identified by its opaque nature, vibrant red or brownish hues, and hard smooth texture; found globally in riverbeds and mountainous regions.
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