metamorphic

Iron-stained, veined metamorphic rock (likely gneiss or schist)

Quartz–feldspar-rich gneiss/schist; exact identification is not possible from the photograph alone

AI-generated identification · may be incorrect

Coarse, foliated rock with pale quartz/feldspar bands and rusty red-brown iron-oxide staining. Typical constituent minerals have Mohs hardness around 6–7; the specimen’s grain size, luster, and cleavage are not clear enough to determine precisely.

Identified October 14, 2026More metamorphic →

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At a glance

Common name: Iron-stained, veined metamorphic rock (likely gneiss or schist)
Scientific name: Quartz–feldspar-rich gneiss/schist; exact identification is not possible from the photograph alone
Category: metamorphic
Identified: October 14, 2026
Method: Standard

AI Estimated Value

About $0–$20 for a common, unprepared hand specimen; more only if confirmed to have unusual minerals or exceptional features.

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 when an older mineral-rich rock was recrystallized under heat and pressure, with iron-bearing minerals later oxidizing near the surface. Its geological age and exact formation setting cannot be established from the image.

Uses & applications

Comparable material is used as decorative or construction stone; this rough specimen is mainly of interest for collecting or local geological study.

Geological facts

The wavy light-colored bands and rusty patches suggest mineral segregation and weathering, but the image does not establish a specific rock type.

Field identification & locations

Look for persistent light-dark mineral banding or foliation and interlocking grains; compare with fresh, unweathered surfaces before identifying. Metamorphic rocks occur in mountain belts and exposed ancient crust worldwide.