cross section blue agate geode displaying concentric layers and white |
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| navigate by keyword : years white used transitioning tiny surround sphere space smoothly small silica series screenshot rough rock planet pattern outer organ millions layers jewelry jewellery groundwater glistens geode generated formed formations form eye edge earth displaying deposition decoration crystalline crystal crosssection core concentric circle chalcedony central cavity cavities blue bands azure astronomy art aqua agate |
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| Cross-section of a blue agate geode displaying concentric layers of blue and white. The outer edge is rough, transitioning smoothly into a series of blue bands that surround a crystalline core with a small central cavity. The core glistens with tiny crystal formations. Agate is a form of chalcedony often used in jewelry and decoration, formed over millions of years through the deposition of silica from groundwater in rock cavities. |
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