| Image | Name | Description | Sellable? | Value |
 | Plant Matter | Plant stems, leaves, and seeds. | No | 0 |
 | Coal | A piece of coal that can be used as furnace fuel or converted to sulfuric acid in a refinery. | No | 0 |
 | Stone | A piece of coal that can be used as furnace fuel or converted to sulfuric acid in a refinery. | No | 0 |
 | Wood Logs | Freshly chopped wood. | No | 0 |