20376 - Top Beautiful Cut and Polished 2.50 Inch Septarian Nodule from South Morocco Fish Fossils Under Study This tooth has an outstanding

This tooth has an outstanding preservation

Native copper is an uncombined form of copper that occurs as a natural mineral

Tunisia (1)

PALAEONTOLOGY

with beautiful orangish hues

20376 - Top Beautiful Cut and Polished 2.50 Inch Septarian Nodule from South Morocco Fish Fossils Under Study This tooth has an outstandingSeptarian concretions or septarian nodules, are concretions containing angular cavities or cracks, called "septaria". The word comes from the Latin word septum; "partition", and refers to the cracks separations in this kind of rock. Cracks are highly variable in shape and volume, as well as the degree of shrinkage they indicate. Although it has commonly been assumed that concretions grew incrementally from the inside outwards, the fact that radially