mineral

Mixed tumbled gemstone chips

Polychrome jasper, quartz/chalcedony, feldspar, and other silicate fragments (exact identification requires testing)

AI-generated identification · may be incorrect

Multicolored opaque to translucent chips, mostly reddish brown, orange, yellow, gray, and green, with vitreous to earthy luster; likely hardness about Mohs 6–7. The pieces are irregularly polished, with no consistent cleavage or crystal structure visible.

Identified August 23, 2026More mineral →

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At a glance

Common name: Mixed tumbled gemstone chips
Scientific name: Polychrome jasper, quartz/chalcedony, feldspar, and other silicate fragments (exact identification requires testing)
Category: mineral
Identified: August 23, 2026
Method: Standard

AI Estimated Value

About $3–$15 per small bag or decorative portion; selected, well-matched lapidary material may sell for $10–$40 per pound.

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

These are likely commercially tumbled and crushed fragments from several rocks, especially jasper and chalcedony, formed in silica-rich volcanic or sedimentary environments over geologic time. Their precise ages and localities cannot be determined visually.

Uses & applications

Used in jewelry, mosaics, decorative craftwork, resin art, and lapidary projects; small mixed chips generally have modest commercial value.

Geological facts

The image shows a mixture rather than one identifiable mineral species. Red and brown colors commonly reflect iron oxides such as hematite or goethite.

Field identification & locations

Identify individual pieces by hardness, streak, translucency, and specific gravity; jasper typically does not scratch glass easily but is opaque, while quartz/chalcedony may be translucent and glass-scratching. Common sources include Brazil, India, Madagascar, Mexico, and the United States.