sedimentary
Jasper
Microcrystalline Quartz (SiO2)
AI-generated identification · may be incorrectHardness of 6.5 to 7 on the Mohs scale, opaque luster, displaying mixed multicolored bands or patterns with conchoidal fracture.
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Physical properties
Hardness of 6.5 to 7 on the Mohs scale, opaque luster, displaying mixed multicolored bands or patterns with conchoidal fracture.
Formation & geological history
Formed from silica-rich solutions in sedimentary environments or volcanic ash, often associated with ancient marine deposits.
Uses & applications
Widely used for ornamental carvings, jewelry, tumbled stones, and decorative lapidary arts.
Geological facts
Jasper has been utilized since ancient times for talismans, seals, and weaponry due to its durability and striking appearance.
Field identification & locations
Identify by its waxy luster, opaque nature, and inability to be scratched by a steel knife. Found globally in riverbeds and mountainous regions.
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Sandstone or Siltstone
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Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
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