Sard (brown carnelian chalcedony)

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Length of sample is 8 cm.

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Size: 4272px × 2848px
Photo credit: © Siim Sepp / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: carnelian, chalcedony, chert, cryptocrystalline, flint, gem, gemstone, microcrystalline, mineral, precious, quartz, rock, rough, sard, semi-precious, silica, stone