mineral
Jasper with Quartz
Silicon dioxide (SiO2)
AI-generated identification · may be incorrectHardness 6.5-7 on the Mohs scale, opaque with translucent areas, colors include orange, yellow, tan, and white, vitreous to waxy luster, microcrystalline quartz structure.
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Physical properties
Hardness 6.5-7 on the Mohs scale, opaque with translucent areas, colors include orange, yellow, tan, and white, vitreous to waxy luster, microcrystalline quartz structure.
Formation & geological history
Formed from silica-rich fluids precipitating in rock cavities or replacing other minerals. Often found in sedimentary or volcanic environments.
Uses & applications
Used in lapidary work for making cabochons, beads, and ornamental items. Popular among collectors.
Geological facts
Jasper is an opaque variety of chalcedony. The striking orange spots are likely due to iron oxide inclusions.
Field identification & locations
Identified by its hardness, opaque nature combined with translucent quartz, and distinct coloration. Common globally, often found as river rocks or beach pebbles.
