metamorphic
Weathered, iron-stained rock (likely metamorphic)
Indeterminate from photograph; possibly quartz-rich gneiss or schist
AI-generated identification · may be incorrectBrown-gray, earthy to slightly lustrous, with irregular foliation or banding and a rounded, weathered surface. Mineral composition and Mohs hardness cannot be established visually; quartz-rich material would be about 7.
Identified More metamorphic →
Explore Weathered, iron-stained rock (likely metamorphic) in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Brown-gray, earthy to slightly lustrous, with irregular foliation or banding and a rounded, weathered surface. Mineral composition and Mohs hardness cannot be established visually; quartz-rich material would be about 7.
Formation & geological history
Likely a natural rock rounded by weathering and transport; if metamorphic, its original minerals were recrystallized under heat and pressure. Age and formation setting cannot be determined from the image alone.
Uses & applications
No specific commercial use can be identified; ordinary specimens may be kept as a field find or used decoratively.
Geological facts
The visible layered, wrinkled texture may indicate foliation, but surface weathering makes identification uncertain.
Field identification & locations
A close-up of a fresh broken surface, hardness test, and mineral observations would help distinguish metamorphic rock from other possibilities. Rounded edges suggest transport or prolonged weathering.
More like this
