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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Dimensions approximately 180 mm x 130 mm x 100 mm thick
Fossil Oncolite rough rock
Weighs 691 grams
5 mm thick
Polished Aragonite AR102 oldest agate in the world Dimensions approximately 180 mm xAR102 Aragonite rough rock, cut and polished on one side with a rough, natural back. Dimensions at widest points approximately 120 mm x 65 mm x 50 mm thick. Weighs: 479 grams Aragonite is a calcium carbonate mineral. These specimens come from a salt lake in the Murchison region of Western Australia not far from the town of Mount Magnet. It is believed that calcium carbonate rich water that has drained from surrounding hills into the highly saline
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