sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque luster, various earth-tone colors, and conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque luster, various earth-tone colors, and conchoidal fracture.
Formation & geological history
Formed through the silification of sedimentary or volcanic deposits in silica-rich aqueous environments over millions of years.
Uses & applications
Commonly used for ornamental carvings, polished cabochons, jewelry, and lapidary art.
Geological facts
Jasper has been used since ancient times for seals, talismans, and decorative weaponry by various civilizations.
Field identification & locations
Identify by its opaque nature, waxy luster, and rich color patterns; found worldwide in riverbeds and mountainous regions.
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Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
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