
mineral
Red Jasper
Silicon Dioxide (Microcrystalline Quartz), SiO2
AI-generated identification · may be incorrectHardness of 6.5-7 on the Mohs scale, opaque red to reddish-brown color, waxy luster, and microcrystalline trigonal crystal structure with conchoidal fracture.
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Physical properties
Hardness of 6.5-7 on the Mohs scale, opaque red to reddish-brown color, waxy luster, and microcrystalline trigonal crystal structure with conchoidal fracture.
Formation & geological history
Forms through the hydrothermal deposition of silica-rich solutions in sedimentary or volcanic environments, often occurring globally in ancient marine deposits.
Uses & applications
Widely used for ornamental carvings, polished cabochons in jewelry, and as a popular specimen for rock tumbling and metaphysical collections.
Geological facts
Red Jasper has been prized since antiquity as a protective talisman and was frequently used by ancient Egyptians and Romans to carve signet rings and amulets.
Field identification & locations
Easily identified by its deep red coloration, non-porous waxy feel, and ability to scratch glass. Commonly found in stream beds and weathering zones worldwide.