I treat mithril as silver with regards to damage reduction. As mentioned, mithril's basically Super-Silver.
As an aside, I allow druids to wear mithril armor and also alchemically silvered armor. Since silver is like a sacred moon-metal, and it can be worked at lower temperatures.
As an aside, I allow druids to wear mithril armor and also alchemically silvered armor. Since silver is like a sacred moon-metal, and it can be worked at lower temperatures.