metamorphic
Likely foliated metamorphic rock
Uncertain from the image; possibly mica schist or gneiss
AI-generated identification · may be incorrectGray, visibly layered or foliated, with a dull to slightly sparkly surface. Hardness and mineral composition cannot be determined reliably from the photograph.
Identified More metamorphic →
Explore Likely foliated metamorphic rock in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Gray, visibly layered or foliated, with a dull to slightly sparkly surface. Hardness and mineral composition cannot be determined reliably from the photograph.
Formation & geological history
Likely formed when an older rock was recrystallized under heat and pressure; its age and precise formation environment cannot be determined visually.
Uses & applications
Metamorphic rocks are used as building or landscaping stone and, when attractive, as decorative or collectible specimens.
Geological facts
The pale bands and aligned, glittering grains suggest foliation, a texture produced by mineral alignment during metamorphism.
Field identification & locations
Look for persistent bands or flaky, aligned minerals; a closer view and tests for hardness, cleavage, and mineral grains are needed to distinguish schist from gneiss or other rocks. These rocks occur in metamorphic mountain belts worldwide.
More like this
