https://rock.id/p/granite-pebble/WgveDS65bzva7FhZh5xp
Granite pebble (Granite, a coarse-grained felsic intrusive igneous rock composed chiefly of quartz,...
Granite pebble (Granite, a coarse-grained felsic intrusive igneous rock composed chiefly of quartz, feldspar, and mica) — a igneous specimen. Rounded, mottled...
intrusive igneous rockcoarse grainedgranitepebblefelsic