Harpoceras Ammonite | Germany Healing Argentenian Blue Calcite is a

Argentenian Blue Calcite is a transparent to opaque stone that is pale blue to medium blue

Matrix approx 1" x 1"

London: Hamlyn

Campo del Cielo meteorites are a collection of meteorites found in a 18

Harpoceras Ammonite | Germany Healing Argentenian Blue Calcite is aHarpoceras sp. Early Jurassic (180 MYO) Posidonia Shale Holzmaden, Germany Ammonite approx. size: 8. 5" x 7" Plate approx. size: 13. 5" x 10. 25" This Harpoceras ammonite from the Posidonia Shale in Holzmaden, Germany has been compressed on black slate and is partially pyritized. Ammonoids are a group of extinct marine mollusk animals in the subclass Ammonoidea of the class Cephalopoda. These mollusks, commonly referred to as ammonites, are more