Nautilus Fossil

This must've washed up ages ago from an ancient coral reef.
Overview
The Nautilus Fossil is an Artifact that can be found in Fishing Treasure Chests, Bone Nodes on the Ginger Island Dig Site, or by digging up an Artifact Spot at the Beach. Donating one to the Museum contributes toward the total number of museum donations.
It also has a few uses outside the Museum. In the 





- Can be requested for the Special Order quest "Fragments of the past," where
Gunther asks for 100 bone items in any combination, to be gathered within 7 days.
- The quest reward includes the Bone Mill recipe.
Official description
This must've washed up ages ago from an ancient coral reef.