sedimentary
Jasper
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque transparency, and a conchoidal fracture with no cleavage.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque transparency, and a conchoidal fracture with no cleavage.
Formation & geological history
Formed through the precipitation of silica-rich fluids in sedimentary basins or volcanic environments over millions of years.
Uses & applications
Used primarily for ornamental carvings, polished cabochons, jewelry, and decorative display pieces.
Geological facts
Jasper has been utilized by ancient civilizations since the 4th millennium BC for making seals, drills, and ritual amulets.
Field identification & locations
Identified by its opaque appearance, distinct multicolored banding, and ability to hold a high polish; commonly found in riverbeds and mountainous regions worldwide.
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