mineral

Tumbled pale-yellow chalcedony (possibly yellow jasper)

Microcrystalline quartz, SiO₂; chalcedony/jasper varieties

AI-generated identification · may be incorrect

Smooth, opaque cream-to-yellow surface with faint banding and brown inclusions; likely Mohs 6.5–7, vitreous to waxy luster, cryptocrystalline quartz structure, no visible cleavage. Specific gravity is typically about 2.6.

Identified September 23, 2026More mineral →

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Physical properties

Formation & geological history

Silica-rich fluids deposited quartz in cavities or fractures, later compacted and colored by trace iron oxides; the specimen has been rounded by tumbling. Geological age cannot be determined from the photograph.

Uses & applications

Used as a small ornamental or jewelry stone and collected as a polished specimen; chalcedony is also used for carvings and beads.

Geological facts

Jasper is opaque chalcedony, while more translucent material is generally called chalcedony or agate; the image alone cannot distinguish these reliably.

Field identification & locations

The rounded polish and faint internal color variation fit tumbled chalcedony. Quartz-rich rocks occur in the western North Carolina region, but this small processed piece cannot be tied to a local source by appearance alone.