sedimentary
Polished Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, opaque with distinct color banding, and conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, waxy to vitreous luster, opaque with distinct color banding, and conchoidal fracture.
Formation & geological history
Formed from silica-rich solutions precipitating in sedimentary environments or volcanic cavities over millions of years.
Uses & applications
Widely used for ornamental carvings, polished cabochons, jewelry, and lapidary collections.
Geological facts
Jasper has been used since ancient times for seals, talismans, and decorative ornamentation by various civilizations.
Field identification & locations
Easily identified by its opaque nature, smooth tumbled polish, and distinctive earth-tone banding patterns found globally in riverbeds and mountainous regions.
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