metamorphic

Green mica schist (probable)

Mica-rich schist, likely dominated by muscovite or chlorite with quartz

AI-generated identification · may be incorrect

Greenish, sparkly, and platy with visible mica-like flakes and schistose texture. Mica hardness is about 2–3.5 Mohs; quartz, if present, is 7. The image does not allow reliable assessment of composition or density.

Identified October 14, 2026More metamorphic →

Explore Green mica 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

Likely formed when clay-rich sedimentary rock underwent heat and pressure, aligning mica minerals into a foliated texture. Such rocks formed in many geological periods; age cannot be determined from the image.

Uses & applications

Commonly collected as a geological specimen; attractive pieces may be used decoratively, though schist is generally unsuitable for demanding construction because it splits along foliation.

Geological facts

The reflective flecks are consistent with mica, whose thin sheets can produce a glittering appearance.

Field identification & locations

Look for aligned, shiny flakes and a tendency to split into layers; green color may indicate chlorite but is not diagnostic. Schists occur in metamorphic mountain belts worldwide.