sedimentary
Red Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectMohs hardness of 6.5 to 7; opaque red, reddish-brown, or terracotta color; vitreous to dull luster; trigonal crystal system with a compact microcrystalline structure.
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Physical properties
Mohs hardness of 6.5 to 7; opaque red, reddish-brown, or terracotta color; vitreous to dull luster; trigonal crystal system with a compact microcrystalline structure.
Formation & geological history
Formed through the hydrothermal alteration or silica-rich deposition in marine environments, often associated with iron-rich sediments.
Uses & applications
Commonly used in cabochons, beads, ornamental carvings, and holistic crystal collections.
Geological facts
Red jasper has been utilized since ancient times for talismans and seals, valued for its rich earthy pigment and durability.
Field identification & locations
Easily identified by its non-porous feel, conchoidal fracture, and distinct red coloration; widely found globally in ancient riverbeds and jasper-bearing quartz veins.
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Fossiliferous Sedimentary Rock
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Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
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