mineral

Reddish weathered rock, possibly jasper or iron-rich chert

Microcrystalline quartz (SiO₂), if jasper/chert; abundant iron oxides such as hematite/goethite

AI-generated identification · may be incorrect

Opaque reddish-orange, dull to slightly waxy luster, irregular fracture, and apparently fine-grained texture; quartz-rich material has Mohs hardness about 6.5–7 and no cleavage. The surface appears weathered and may contain dark iron-oxide inclusions or coatings.

Identified September 8, 2026More mineral →

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At a glance

Common name: Reddish weathered rock, possibly jasper or iron-rich chert
Scientific name: Microcrystalline quartz (SiO₂), if jasper/chert; abundant iron oxides such as hematite/goethite
Category: mineral
Identified: September 8, 2026
Method: Standard

AI Estimated Value

Typically $1–$10 for an ordinary specimen; polished or vividly patterned jasper may sell for $10–$75 or 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

Likely formed from silica-rich sediment or volcanic material later colored by iron oxides during diagenesis and weathering; age cannot be determined from the photograph. Jasper and chert occur in sedimentary, hydrothermal, and volcanic environments.

Uses & applications

Used as lapidary material, cabochons, beads, carvings, and decorative stone; attractive pieces may be polished, while ordinary fragments have little commercial use.

Geological facts

Red coloration commonly comes from hematite rather than copper. The image alone cannot distinguish jasper from iron-rich chert, ironstone, or a weathered volcanic rock.

Field identification & locations

Commonly found in gravel beds, weathered outcrops, river deposits, and silica-rich volcanic or sedimentary terrains. A streak test, hardness test, fresh broken surface, and specific-gravity measurement would help confirm identification; avoid destructive testing on valuable material.