agate |
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| navigate by keyword : after agate asni atlas bottom color colored concentic cross dissolved gemology geology metal metals mineral minerals morocco mountains multicolored nature origin ornament oxides pattern pseudomorphosis quartz rings section semiprecious silica specimen stone visible with |
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| A cross section of the agate stone. At the top is concentic agate, at the bottom is a colored pseudomorphosis after dissolved minerals. Multicolored silica rings colored with metal oxides are visible. Origin: Asni, Atlas Mountains, Morocco. |
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