20253 - Extremely Beautiful 5.20 Inch Brazilian Agate Slice (Chalcedony Geode Section) Fish Vertebrae 1080/02724634

1080/02724634

These meteorites were found in the Saharan Desert in Northwest Africa

However later it was discovered that it corresponded to the premaxillary teeth of the Tyrannosaurs

Bathycheilidae

while 476 are currently extant with or without a fossil record

20253 - Extremely Beautiful 5.20 Inch Brazilian Agate Slice (Chalcedony Geode Section) Fish Vertebrae 1080/02724634Agate 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