Monday, January 16, 2017
It was printed with glow in the dark PLA filament from 3D Solutech: https://www.amazon.com/gp/product/B00ME7NHJ8/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1
Here is a link to my friend Dave's blog showing a Cretaceous Turritella fossil:
Cretaceous Turritella fossil from Mississippi:
Sunday, January 15, 2017
My father found this fossil in Nashville, Tennessee. It appears to be Plasmopora sp. coral fossil. The time period would be Silurian. This website http://tennesseefossils.com/Geology05.php lists formations in that area as Decatur and Brownsport.