igneous
Granite (likely weathered or altered granite)
Granitic rock, composed mainly of quartz, feldspar, and mica; exact identification is uncertain from the photo.
AI-generated identification · may be incorrectCoarse, speckled pink, gray, and pale green appearance suggests interlocking mineral grains. Typical granite hardness is about 6–7 Mohs; individual minerals have distinct cleavage, while the rock has no single crystal structure or cleavage.
Identified More igneous →
Explore Granite (likely weathered or altered granite) in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Coarse, speckled pink, gray, and pale green appearance suggests interlocking mineral grains. Typical granite hardness is about 6–7 Mohs; individual minerals have distinct cleavage, while the rock has no single crystal structure or cleavage.
Formation & geological history
Granite forms when silica-rich magma cools slowly underground, allowing visible crystals to grow; its age cannot be determined from the image and varies widely by locality.
Uses & applications
Granite is widely used as dimension stone, countertops, paving, and aggregate; this small rough fragment is primarily a keepsake or collecting specimen.
Geological facts
Pink tones commonly come from potassium feldspar, while quartz is typically gray or translucent and mica forms darker flecks.
Field identification & locations
Look for a hard, coarse-grained mix of interlocking light and dark minerals; common worldwide in continental crust and exposed mountain ranges. The photo alone cannot confirm the greenish patches or precise rock type.
