Shark Vertebrae - Fossil krakow It will enable you to

It will enable you to identify them by colour

Chemical Composition: Ca[CO3]-6H2O

it is used for a lithium battery

Approximate size of 1 tower: 12cm x 2

or carrying as a pocket talisman

Shark Vertebrae - Fossil krakow It will enable you toMined from: Oulad Abdoun Basin, Morocco Era: Late Cretaceous Geological Age: 70 mya Description: Shark skeletons are composed of cartilage. Cartilage is the stuff your ears and nose are made of, which is much softer than bone, and rarely survives fossilization. So these are a rare and lucky find indeed. These pieces have been removed from their matrix so much of the detail and structure of the bone can be seen. Some earth particles still remain. These