Schillernder Ammonit "im Bett" | South Dakota, USA Ichthyosaurus Additional information: Selenite

Additional information: Selenite

Je genauer die Betrachtung

unmittelbar vor dem katastrophalen Kreide-Paläogen-Aussterbeereignis (K–Pg)

Zusätzliche Informationen: Quarz ist eines der am häufigsten vorkommenden Minerale

Beschreibung: 228 bis 220 Millionen Jahre alter Sandsteinblock aus der Chinle-Formation

Schillernder Ammonit "im Bett" | South Dakota, USA Ichthyosaurus Additional information: SeleniteOrigin: South Dakota, USA Size: H11cm W27cm D25cm Weight: 9. 15kg Description: A ruby red, fire opalized ammonite from South Dakota, consisting of two parts: the ammonite itself and the "bed", the original matrix in which it was originally found. Additional information: Ammonites were cup shaped cephalopods that became extinct about 66 million years ago. Fossils of them are found all over the world. Ammonites are extinct, shelled cephalopods. They all