Gabbro Rock Specimen - Characteristics, Formation & Uses #3576108 (License: Personal Use)

This is a polished hand sample of a mafic intrusive igneous rock, most likely gabbro, composed primarily of calcium-rich plagioclase feldspar and pyroxene, with minor olivine or amphibole. The coarse-grained texture indicates slow cooling deep within the Earth’s crust. Its dense, dark appearance contrasts with lighter-colored felsic rocks like granite.

Used in educational geology resources, museum displays, and mineral identification guides; targets users searching for rock identification, igneous petrology, or earth science learning materials.