5-1/2" Septarian Bear Carving 54ae84a50a7fc8c5f139ad2bf1ddad0f and have been examined by

and have been examined by scientists for more clues as to how our diverse planet evolved

rather than swallowing whole

are incredibly rare

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5-1/2" Septarian Bear Carving 54ae84a50a7fc8c5f139ad2bf1ddad0f and have been examined byFrom the Henry Mountains of Utah, the mineral Septarian formed in an ancient sea floor some 50 70 million years ago as sediment collected around sea life as they decomposed. Calcium carbonate from the shells of these creatures began to take a new form over time, creating calcite crystals and bands of aragonite. The gold colored crystals inside are calcite, the brown is aragonite, and the outer surface is composed of limestone.