Granite Rock Specimen Photograph - Geological Sample with Scale Reference #3576078 (License: Personal Use)

This black-and-white photograph displays a polished or broken surface of a granitic rock, revealing a phaneritic texture with interlocking crystals of varying sizes and shades. The 1-inch scale bar provides precise dimensional context, indicating the specimen is roughly 3-4 inches across. The contrast between light-colored feldspar/quartz and darker biotite or hornblende grains is clearly discernible.

Used in educational materials, museum exhibits, or geological databases to illustrate intrusive igneous rock textures and composition; supports identification and scale estimation by students, researchers, or amateur geologists.