20384 - Extremely Beautiful 6.34 Inch Brazilian Agate Slice (Chalcedony Geode Section) Cleoniceras This specimen preserves all its

This specimen preserves all its root

Full reference: B

Date: 2000

Ginglymostoma parvula

Stephanodus sp : Fossilworks (Paleobiology Database)

20384 - Extremely Beautiful 6.34 Inch Brazilian Agate Slice (Chalcedony Geode Section) Cleoniceras This specimen preserves all itsAgate 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