30763 - Beautiful 1.02 Inch Mosasaur (Prognathodon anceps) Tooth in Matrix Late Cretaceous Bone_Claw center of the second image

center of the second image are barite

It is a rather rare mineral occurring in nepheline syenite intrusions and agpaitic (peralkaline) pegmatites and granites as the Golden Horn batholith in Okanogan County

Nice Collection of 5 Fulgurites ("Petrified lightning")

† Asteropyge

Radioscutellum

30763 - Beautiful 1.02 Inch Mosasaur (Prognathodon anceps) Tooth in Matrix Late Cretaceous Bone_Claw center of the second imageIn the international market is very common to find Mosasaurus rests coming from the phosphate quarries of the Upper Cretaceous of the Ouled Abdoun Basin (Morocco). This quarries have been exploited since the beginning of the past century. Many sellers that sell this fossils do not make a good precise taxonomic identification work. In these sites there are numerous different species of Mosasaurus described in the enormous assemblage of giant marine