sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, opaque luster, various earth tones, and conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, opaque luster, various earth tones, and conchoidal fracture.
Formation & geological history
Formed through the silification of sedimentary or volcanic deposits in silica-rich aqueous environments.
Uses & applications
Used widely in ornamental carvings, cabochons, jewelry, and lapidary art.
Geological facts
Ancient cultures utilized jasper for protective amulets and primitive tools due to its toughness and fracture properties.
Field identification & locations
Identify by its waxy luster, opaque nature, and inability to be scratched by a steel knife; found worldwide in riverbeds and silicate-rich formations.
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Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
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