sedimentary
Red Jasper
Silicon dioxide (SiO2) microcrystalline quartz
AI-generated identification · may be incorrectHardness 6.5-7 on the Mohs scale, opaque red to brownish-red color, waxy to dull luster, and conchoidal fracture.
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Physical properties
Hardness 6.5-7 on the Mohs scale, opaque red to brownish-red color, waxy to dull luster, and conchoidal fracture.
Formation & geological history
Formed via the precipitation of silica-rich fluids in marine environments or hydrothermal veins, often dating from the Precambrian era.
Uses & applications
Used primarily for ornamental carvings, polished cabochons in jewelry, and as a popular specimen for mineral collectors.
Geological facts
Ancient cultures often carved red jasper into amulets for protection and vitality, frequently associating it with physical strength.
Field identification & locations
Identify by its rich red color, smooth waxy texture, and lack of cleavage; commonly found in stream beds and alluvial deposits worldwide.
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Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
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