07316 - Extremely Beautiful 3.35 Inch Brazilian Agate Slice (Chalcedony Geode Section) Halisaurus arambourgi During the last months of

During the last months of 2012

Beautiful example of this species of shark of the Hexanchidae family

which is in a Cenomanian terrestrial claystone in the Ifezouane Formation of Morocco

It is a magnificent example of the Moroccan Platyscutellum

Leonaspis is a widespread genus of odontopleurid trilobite that lived from the Late Ordovician to the late Middle Devonian

07316 - Extremely Beautiful 3.35 Inch Brazilian Agate Slice (Chalcedony Geode Section) Halisaurus arambourgi During the last months ofAgate is a rock consisting primarily of cryptocrystalline silica, chiefly chalcedony, alternating with microgranular quartz. It is characterized by its fineness of grain and variety of color. Although agates may be found in various kinds of host rock, they are classically associated with volcanic rocks and can be common in certain metamorphic rocks. This beautiful large polished agate slices comes from southern Brazil. The stone has been soaked in a