mineral
Red Jasper
Silicon dioxide (Microcrystalline quartz, SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque red to brownish-red color, waxy to vitreous luster, and a trigonal crystal system with conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque red to brownish-red color, waxy to vitreous luster, and a trigonal crystal system with conchoidal fracture.
Formation & geological history
Formed through the hydrothermal deposition of silica-rich fluids or alteration of sedimentary deposits, often in marine environments.
Uses & applications
Widely used for ornamental carvings, polished tumbled stones, jewelry, and as a decorative lapidary material.
Geological facts
Red jasper has been utilized since ancient times for talismans, seals, and weaponry components by various civilizations worldwide.
Field identification & locations
Identified by its distinctive opaque red coloration and hardness that scratches glass; commonly found in hydrothermal veins and river gravels.
