Bone
A sturdy bone processed in a slaughterhouse. Can be just used, or processed in a grinder.
Overview
Bone is a basic crafting material used in several processing recipes, most notably as an ingredient for 

Bone can be acquired by processing Rabbits and 
- 2 Bone can be crafted into 4 Bone Powder at a Grinder.
- Because Bone Powder is produced in a 2:4 ratio, Bone is an efficient input for grinding when that material is needed.
- Desert bone tiles provide a natural source of Bone, which can supplement or replace creature-based supply.
Official description
A sturdy bone processed in a slaughterhouse. Can be just used, or processed in a grinder.