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 dull luster, and 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 dull luster, and conchoidal fracture.
Formation & geological history
Formed through the hydrothermal deposition of silica-rich fluids or the accumulation of silica in marine sediments, often in ancient ocean basins.
Uses & applications
Used primarily for ornamental carvings, polished cabochons in jewelry, and as a popular specimen for mineral collectors.
Geological facts
Red jasper has been used since antiquity to create ancient seals, signet rings, and ritual amulets due to its durability and rich color.
Field identification & locations
Identified by its distinctive deep red color, lack of cleavage, and hard, smooth conchoidal breakage; found globally including in India, Brazil, and the USA.
