20255 - Extremely Beautiful 5.09 Inch Brazilian Agate Slice (Chalcedony Geode Section) Alanqa saharica Goodsiraspis
Yard notes & kiln story
Description
Goodsiraspis
It has glued but not restored fracture
Thurmond and Jones 1981
Precious association of 2 teeth in matrix of Cretolamna maroccana (Mackerel Shark) and Enchodus sp from the phosphate deposits of the Ouled Abdoun Basin (Morocco)
A single Pterosaur can provide many teeth to the fossil record
20255 - Extremely Beautiful 5.09 Inch Brazilian Agate Slice (Chalcedony Geode Section) Alanqa saharica GoodsiraspisAgate 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