20255 - Extremely Beautiful 5.09 Inch Brazilian Agate Slice (Chalcedony Geode Section) Alanqa saharica • Silurian to Devonian of
Yard notes & kiln story
Description
• Silurian to Devonian of Argentina
A single Pterosaur can provide many teeth to the fossil record
MOSASAURIDAE GERVAIS
Sister taxa: Akantharges
It has glued but not restored fracture
20255 - Extremely Beautiful 5.09 Inch Brazilian Agate Slice (Chalcedony Geode Section) Alanqa saharica • Silurian to Devonian 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