Slate

It's extremely resistant to water, making it a good roofing material.
Overview
Slate is a mineral that can be obtained by opening a 


Slate has a small but useful role in tailoring. Placing it in the spool of the 

- Found by opening Geodes and Omni Geodes.
- Can be used in the Sewing Machine with Cloth to create clothing.
- Can be used as a gray dye when paired with a dyeable clothing item.
Since Slate comes from geodes, it is often acquired incidentally while pursuing minerals, museum donations, or ore-related resources. Players who are focusing on tailoring may want to hold onto spare copies rather than shipping all of them, since even common-looking mineral items can have unique cosmetic applications.
Official description
It's extremely resistant to water, making it a good roofing material.