Ammonit | Ceratit | Deutschland Apophyllite It refers to a specific

It refers to a specific chemical compound (silicon dioxide) with a characteristic crystal structure

Description: The highly aesthetic free form of a "drop"

Tsumeb (Namibia)

possibly arising concurrently with the early radiation of neoselachians

Ammonit | Ceratit | Deutschland Apophyllite It refers to a specificOrigin: Baden Wrttemberg, Germany Size: H35cm W39cm D28cm Age: Muschelkalk, 243 to 235 million years old Description: Ceratite ammonite with a limestone layer formed by erosion processes on a custom made stand. Additional information: Ammonites were hairy cephalopods that became extinct about 66 million years ago. Fossils of them are found all over the world. Ammonites were extinct hairy cephalopods. All of them had a chamber like housing that they