gemstone

Polished brecciated jasper (likely mookaite or similar jasper)

Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact variety cannot be confirmed from the image

AI-generated identification · may be incorrect

Polished, mottled red-brown, cream, gray, and yellow material. Quartz hardness is about 6.5–7 Mohs, with a vitreous to waxy luster and no visible cleavage; the surface coating and small size limit identification.

Identified October 16, 2026More gemstone →

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At a glance

Common name: Polished brecciated jasper (likely mookaite or similar jasper)
Scientific name: Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact variety cannot be confirmed from the image
Category: gemstone
Identified: October 16, 2026
Method: Standard

AI Estimated Value

About $2–$15 for a small polished piece; higher-quality or crafted jewelry may cost more.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Jasper forms when silica-rich fluids fill or replace sediment and volcanic material, later hardening into microcrystalline quartz. Its age and precise source cannot be determined from appearance alone.

Uses & applications

Used for beads, cabochons, ornaments, and collectible polished stones; not typically used as a major construction material.

Geological facts

Jasper’s colors and patterns result from impurities and inclusions, commonly iron oxides and clay minerals.

Field identification & locations

The opaque, multicolored pattern and polished finish are consistent with jasper, but visual identification is provisional; hardness or a mineralogical test can help distinguish it from other silica-rich stones. Jasper occurs worldwide, including Australia, India, Brazil, and the United States.