Coarse grains (10 to 20 mm) of zircon, sorted from a gravel deposit. Zircon is a neo-silicate mineral with chemical formula ZrSiO4 ,a common mineral constituent of most granite and felsic igneous rocks

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Photo credit: © DIRK WIERSMA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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Keywords: -, blue, deposit, earth, felsic, geological, geology, grains, granite, granular, gravel, hafnium, igneous, lithophile, mineral, mineralogy, neo, neo-silicate, nesosilicate, refractory, rock, rocks, sciences, silicate, zircon, zirconium, zr