sedimentary
Jasper
Silicon dioxide (Microcrystalline Quartz)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque, and comes in various colors including dark green, brown, and red.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, earthy to vitreous luster, opaque, and comes in various colors including dark green, brown, and red.
Formation & geological history
Formed through the silica-rich precipitation in marine environments or hydrothermal solutions, often associated with sedimentary or altered volcanic rocks.
Uses & applications
Used primarily for ornamental carvings, cabochons, jewelry, and lapidary art.
Geological facts
Jasper has been used since ancient times for talismans, seals, and weaponry components by various civilizations.
Field identification & locations
Easily identified by its opaque nature and conchoidal fracture, commonly found worldwide in riverbeds and mountainous terrain.
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