Polished Aragonite AR102 Polished dendritic opal 160 mm x 75 mm

160 mm x 75 mm x 20 mm thick

From south of Coolgardie

Dimensions at widest points approximately 130 mm x 95 mm x 70 mm thick

It weighs 177 grams

Polished Aragonite AR102 Polished dendritic opal 160 mm x 75 mmAR102 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