20084 - Nice 1.28 Inch Aragonite Twinned Crystal Cluster - Safro Mine, Bou Azzer, Morocco Geological Samples • Paleocene of Bolivia (1)

• Paleocene of Bolivia (1)

The sharp and intact tips are a preservation feature very difficult to find and therefore it is one of the characteristics which influences the most in the objective valuation of a specimen

The teeth are often broken on a field

American Museum Novitates 3379:1-20

(Crocodyliformes)

20084 - Nice 1.28 Inch Aragonite Twinned Crystal Cluster - Safro Mine, Bou Azzer, Morocco Geological Samples • Paleocene of Bolivia (1)Aragonite is a carbonate mineral, one of the three most common naturally occurring crystal forms of calcium carbonate, CaCO3 (the other forms being the minerals calcite and vaterite). It is formed by biological and physical processes, including precipitation from marine and freshwater environments.