S272 - Gem Grade Abelisaurid (cf Rugops sp) Dinosaur Tooth - Cretaceous KemKem Beds Prognathodon anceps a mineral composed of Mg(OH)2

a mineral composed of Mg(OH)2

hence the well-known nickname of fool's gold

I offer here the only and MAIN MASS

Chennaoui Aoudjehane Type spec mass (g): 30

• Ordovician to Silurian of Canada (1: Québec)

S272 - Gem Grade Abelisaurid (cf Rugops sp) Dinosaur Tooth - Cretaceous KemKem Beds Prognathodon anceps a mineral composed of Mg(OH)2Outstanding specimen. The enamel color is astonishing. Pristine tooth. With astonishing well developed carina on both edges, mesial and distal. This is a very special small sized theropod dinosaur tooth. Within the amazing assemblage of North African Cretaceous theropods, some families have not yet been described in formal literature. Its serrations are very well defined. Its enamel has a great range of colors. Not only the tooth belongs to an unusual