alb3827330

pegmatite

Hand sample of Pegmatite, a coarsely grained intrusive igneous rock with a composition similar to granite. Pegmatite has phaneritic texture; mineral grains are of nearly equal size and are visible to the naked eye.

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Title: pegmatite

Caption: Hand sample of Pegmatite, a coarsely grained intrusive igneous rock with a composition similar to granite. Pegmatite has phaneritic texture; mineral grains are of nearly equal size and are visible to the naked eye.

Credit: Album / Science Source / MARK A. SCHNEIDER

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Image size: 5161 × 3454 px | 51.0 MB

Print size: 43.7 × 29.2 cm | 2031.9 × 1359.8 in (300 dpi)

Keywords: EARTH • FORMATION • GEOLOGIA • GEOLOGY • HAND • IGNEOUS • INTRUSIVE • MINERAL • MINERALOGY • PEGMATITE • PHANERITIC • PLUTONIC • ROCK • ROCKS • ROCKY • SAMPLE • SCIENCE • SILHOUETTABLE • SPECIMEN • STONE • STONES • TEXTURE