A cross section of the agate stone. Silica rings colored with metal oxides are visible. Chalcedony lamination occurs. Origin: Rudno near Krakow.

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Size: 5245px × 3487px
Photo credit: © Wojciech Tchorzewski / Alamy / Afripics
License: Royalty Free
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Keywords: agate, background, black, chalcedony, color, cross-section, cut, gemology, geology, krakow, metals, mineral, nature, ornament, oxides, pattern, quartz, rudno, semi-precious, silica, specimen, stalactite, stone