mineral
Red Jasper
Microcrystalline Quartz (SiO2) with iron impurities
AI-generated identification · may be incorrectHardness 6.5-7, opaque, red color due to iron inclusions, smooth luster when polished, microcrystalline structure, conchoidal fracture.
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Physical properties
Hardness 6.5-7, opaque, red color due to iron inclusions, smooth luster when polished, microcrystalline structure, conchoidal fracture.
Formation & geological history
Forms in silica-rich environments, often as nodules in volcanic rocks or as sedimentary deposits. The red color comes from iron oxide (hematite) inclusions.
Uses & applications
Commonly tumbled or carved for jewelry, decorative items, and metaphysical uses.
Geological facts
Red jasper has been used historically for carved seals and talismans by various ancient cultures.
Field identification & locations
Identified by its opaque red color, hardness (scratches glass), and smooth, waxy luster. Found globally, with notable deposits in India, Russia, Brazil, and the USA.
