Polished Aragonite AR102 Rain Forest Jasper 45 Ga): a high-silica lava

45 Ga): a high-silica lava showing striking radial spherulite textures formed as the original volcanic material crystallized

It weighs 706 grams

Dendritic Mookaite rough rock

Dimensions at widest points approximately 220 mm  x 110 mm x 10

Polished Aragonite AR102 Rain Forest Jasper 45 Ga): a high-silica lavaAR102 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