Coarse Stone

Coarse Stone can be found while mining and is used in Blacksmithing, Jewelcrafting and Engineering.

Source
Found in tin and silver veins.

Coarse Stone as an Ingredient
Coarse Stone is used in the following recipes:

Blacksmithing

 * Coarse Grinding Stone
 * Coarse Sharpening Stone
 * Coarse Weightstone

Engineering

 * Coarse Blasting Powder

Jewelcrafting

 * Coarse Stone Statue