Slice of unpolished agate, a quartz variety of silicon dioxide, SiO2,

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Size: 3996px × 2908px
Photo credit: © downunder / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: agate, banded, chalcedony, color, colorful, concentric, crystal, dioxide, gem, gemology, gemstone, geode, geological, geology, isolated, large, layer, mineral, mining, natural, nature, object, polished, precious, quartz, ring, rock, semi-precious, semiprecious, silica, silicon, sio2, slice, stone, stripe, translucent