
mineral
Jasper
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque appearance, and conchoidal fracture.
Formation & geological history
Formed from silica-rich fluids precipitating in sedimentary or volcanic environments over millions of years.
Uses & applications
Used primarily for ornamental carvings, polished cabochons in jewelry, and decorative stone items.
Geological facts
Jasper has been used since ancient times for talismans, seals, and weaponry components due to its toughness.
Field identification & locations
Identified by its microcrystalline quartz structure and opaque, colorful patterns; commonly found worldwide in riverbeds and ancient volcanic deposits.