Toolset created from Darkstone Cobblestone and Sticks.
Toolset using the vanilla Stone Tool recipes, just replacing cobble with Darkstone Cobblestone. Darkstone Tools are more durable than Stone Tools, having 180 points in durability before breaking.
Darkstone Tools are stronger than Stone Tools in the durability department, but they have the same efficiency and damage output.
Darkstone Axes have a faster Attack Speed stat than a Stone Axe.