mineral

Polished orange jasper

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

AI-generated identification · may be incorrect

Orange to reddish-orange, opaque, with a smooth polished surface and waxy-to-dull luster; quartz has Mohs hardness 7 and trigonal crystal structure, though individual crystals are too small to see. The image alone cannot confirm the exact jasper variety.

Identified October 13, 2026More mineral →

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Physical properties

Formation & geological history

Forms when silica-rich fluids fill cavities or replace rock, with iron oxides providing color; jasper deposits occur in many geological settings and ages.

Uses & applications

Used for beads, cabochons, carvings, and decorative objects; typically valued as an affordable lapidary material.

Geological facts

Jasper is a trade name for opaque, patterned chalcedony rather than a distinct mineral species.

Field identification & locations

Look for opacity, hardness near 7, and a fine-grained texture; orange color and smooth polish are consistent with jasper. Common sources include India, Brazil, Madagascar, and the western United States.