mineral
Polished Jasper
Cryptocrystalline quartz, SiO2
AI-generated identification · may be incorrectHardness: 6.5-7 on the Mohs scale, opaque, smooth waxy luster (when polished), cryptocrystalline structure.
- Hardness
- 6
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Physical properties
Hardness: 6.5-7 on the Mohs scale, opaque, smooth waxy luster (when polished), cryptocrystalline structure.
Formation & geological history
Forms in volcanic rocks or sedimentary environments through silica deposition. Age varies widely.
Uses & applications
Commonly used in lapidary, jewelry making, and as a collector's stone.
Geological facts
Jasper comes in many colors due to mineral impurities, often iron oxides.
Field identification & locations
Identified by its opacity, hardness, and varied colors. Widely found globally. Collectors value unique patterns.
