mineral

Orange-red tumbled jasper (likely)

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides

AI-generated identification · may be incorrect

Hardness about 6.5–7 Mohs; orange-red, opaque, with a smooth polish and dull-to-waxy luster. It is microcrystalline, so individual crystals are not visible; the photo does not show diagnostic cleavage or specific gravity.

Identified October 13, 2026More mineral →

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Physical properties

Formation & geological history

Jasper forms when silica-rich fluids or sediments become cemented, often with iron-oxide impurities. Its age and exact geological setting cannot be determined from the image.

Uses & applications

Used for beads, cabochons, carvings, and decorative objects; small tumbled pieces are mainly collectible or ornamental.

Geological facts

Jasper is a broad trade name for opaque, patterned chalcedony and can resemble other red-orange stones. The image alone cannot confirm the identification.

Field identification & locations

The smooth, opaque orange-red appearance is consistent with tumbled jasper; hardness and a scratch test on an inconspicuous area can help distinguish it from softer imitations. Jasper occurs worldwide in silica-rich rocks and sediments.