22130 - Devonian 4.04 Inch Polished Fossil Rugose Coral Hexagonaria sp Brittlestars what makes difficult its fossilization

what makes difficult its fossilization process

It has some glued fractures

As a meteor travels through the Earth's atmosphere

the pyroxene zonations and the inverse formation of pigeonite to the augite-rim could be an indication of the extraterrestrial origin of this sample

Age range: 436

22130 - Devonian 4.04 Inch Polished Fossil Rugose Coral Hexagonaria sp Brittlestars what makes difficult its fossilizationHexagonaria sp, Grich 1896 (horn coral) Anthozoa Stauriida Disphyllidae Wonderful polished specimen of this Devonian rugose Coral (Hexagonaria). It comes from the famous deposits that appear in the Western Sahara, in the South of Morocco. Thanks to being polished, you can perfectly appreciate the structure of the septums and tabulas of the coral. It is a piece worthy of exposure. Very didactic piece.