metamorphic

Mica-rich schist (probable)

Mica schist, likely muscovite–chlorite schist; exact minerals cannot be confirmed from the image

AI-generated identification · may be incorrect

Gray-green, coarse and strongly foliated with shiny, flaky mineral surfaces, consistent with mica and possibly chlorite. Typical mica schist has Mohs hardness around 2–4 for its micas, variable cleavage, and no single crystal structure because it is a mixed-mineral rock.

Identified October 14, 2026More metamorphic →

Explore Mica-rich schist (probable) in the encyclopedia →

Identify your own rocks.

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

App Store Google Play

Physical properties

Formation & geological history

Formed when clay-rich or volcanic sedimentary rocks were buried, heated, and compressed, aligning mica into foliation. Its age and precise formation environment cannot be determined from the photograph.

Uses & applications

Schist is used locally as decorative or landscaping stone and sometimes as building stone; mica-bearing material may be collected as a geological specimen.

Geological facts

The layered, flaky texture is called schistosity and develops as platy minerals align under directed pressure.

Field identification & locations

Look for visible mica flakes and wavy or planar foliation; confirm minerals with a hand lens and hardness tests. Similar rocks occur in metamorphic belts worldwide, but location is needed to narrow identification.