mineral

Likely tumbled red mineral or glass imitation

Indeterminate; possibilities include red jasper (microcrystalline quartz, SiO₂) or dyed chalcedony

AI-generated identification · may be incorrect

Small, smooth, rounded, opaque red specimen with a waxy-to-glassy polish; hardness cannot be determined from the image. It could also be man-made glass or plastic, though geological material is favored as requested.

Identified August 16, 2026More mineral →

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Physical properties

Formation & geological history

If jasper or chalcedony, it formed from silica-rich fluids filling fractures or replacing volcanic sediment, typically during ancient hydrothermal or sedimentary processes. Exact age and formation cannot be established visually.

Uses & applications

Tumbled jasper and chalcedony are used for cabochons, beads, carvings, and decorative pieces. Similar red glass or plastic is primarily ornamental.

Geological facts

Red color commonly comes from iron oxides such as hematite. A faint white streak on unglazed porcelain and resistance to a steel scratch would support jasper/chalcedony identification.

Field identification & locations

Common sources include India, Madagascar, Brazil, Mexico, and the United States. Confirm with hardness, streak, heft, and a loupe; avoid destructive tests on valuable pieces.