Mookaite Jasper, is best known as a silicified porcellanite mineral. But what is most interresting is that it is actually a Cretaceous fossiliferous matrix. The famous bright colours find their origin in the presence of tiny nanoplankton fossils.

Mookaite

Cretaceous (145 - 66 mil y)

Mooka Creek, Kennedy Range, Western Australia

334 mm - 13,2"

Very good