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Emmrichops
Rare specimen corresponding to the premaxillary tooth (Skull tooth) of a Tyrannosaur
There have been many studies on this sauropod
Enchodus tetraecus
deep subtidal shelf (1)
20387 - Extremely Beautiful 5.06 Inch Brazilian Agate Slice (Chalcedony Geode Section) Kettneraspis EmmrichopsAgate 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