mineral
Yellow Jasper
Silicon Dioxide (Microcrystalline Quartz), SiO2
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque yellow to brownish-yellow color, waxy luster, and trigonal crystal system with conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque yellow to brownish-yellow color, waxy luster, and 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 volcanic environments over millions of years.
Uses & applications
Used primarily in lapidary work, ornamental carvings, polished cabochons for jewelry, and as a collector specimen.
Geological facts
Jasper has been used since ancient times for talismans, seals, and weaponry. Yellow varieties are associated with grounding and emotional stability.
Field identification & locations
Identify by its non-porous waxy surface, yellowish earthy tones, and hardness that scratches glass. Commonly found in riverbeds and mountainous regions worldwide.
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