From Dark and Darker Wiki

In order to obtain Ores you need to interact with Ore nodes using a Pickaxe. Ores can be crafted into Ingot and Powder. For further information about specific ore prop properties please refer to the containers section on ore props.

Name Price Price / Slot Size Inventory Size Max Stack Size
20.52x26
10.252x26
20.52x26
20.52x26
10.252x26
20.52x26