exteme macro agate surface |
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| navigate by keyword : abstract agate background banded chalcedony closeup colorful cryptocrystalline crystalline deposit extreme gem gemstone geological geology layers lines macro magnification material metamorphic mine mining multicolored pattern polished quartz red rock science section shiny silica solid specimen stone striped surface texture vein volcanic white |
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| Exteme macro of an agate polished surface. Agate is a rock consisting primarily of cryptocrystalline silica chalcedony, alternating with microgranular quartz. |
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