metamorphic

Banded metamorphic rock, likely gneiss or schist

Foliated quartz–feldspar–mica rock; exact identification requires a closer view or mineral testing

AI-generated identification · may be incorrect

Gray and cream layers show strong foliation and folding, with likely quartz, feldspar, and mica. Typical gneiss/schist minerals have Mohs hardness about 2–7; quartz is glassy and hard, while mica has platy cleavage. Individual grains and luster are not clear enough here to confirm the rock name.

Identified September 26, 2026More metamorphic →

Explore Banded metamorphic rock, likely gneiss or schist in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

At a glance

Common name: Banded metamorphic rock, likely gneiss or schist
Scientific name: Foliated quartz–feldspar–mica rock; exact identification requires a closer view or mineral testing
Category: metamorphic
Identified: September 26, 2026
Method: Standard

AI Estimated Value

No reliable specimen value can be estimated from this landscape photograph; loose common pieces typically have little market value.

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

The outcrop appears to be metamorphosed and deformed crustal rock, recrystallized under heat and pressure and later exposed by uplift and erosion. Its age cannot be determined from the photograph.

Uses & applications

Comparable material is sometimes used as building or facing stone and decorative aggregate; this steep, fractured outcrop is more significant as a geological exposure than as a usable specimen.

Geological facts

The pale and dark bands and contorted layers record deformation and mineral segregation during metamorphism.

Field identification & locations

Look for alternating mineral bands or aligned mica flakes; a fresh surface and hand-lens view can distinguish gneiss from schist. Foliated metamorphic rocks occur in mountain belts worldwide.