| Country of Origin | United States |
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Check the listing for details. 1.06kg Crab Concretion –Rare Blue-Slate Preservation Premium Blakeley Formation. Condition: Used, Made in United States. Listed at 325.00 USD. This is not a typical marine nodule. This is a rare opportunity to own raw material from a proven, high-integrity locality. • Formation: Blakeley (Oligocene, 25-30 Mya). • Structural Detail: Even in its raw state, the 3D ridges and contours are sharp and distinct.