Silver is a metal resource added by IC², but not generated as ore. Absent any other mods that generate it, silver is only acquired by processing Gold Ore.
These forms of silver are seen during ore processing (the first two only if silver ore is generated):
Silver has a single use, albeit an extremely important one: crafting Glass Fibre Cables.
- In addition to carrying power tier 5 voltage), these are used to craft the Teleporter, which is used to craft the Advanced Miner and Replicator.