Silver Ore is a raw material found by breaking Sandstone Outcrops or by harvesting Barnacles. It is a conductive material that is required for making a number of electronics. Silver Ore can also be found as a large resource deposit, which can be easier to find than Sandstone and yield more resources. Said large deposits are especially plentiful in the Lost River, (more biomes needed)
Uses in Crafting
Spoiler alert: The following section contains story related material.