Urn (Thaumcraft 6)

The Common, Uncommon, and Rare Urns are blocks added by Thaumcraft 6 which serve as breakable loot containers to be found in the bottom of Barrow Hills. They can only be obtained through world generation, or through cheats/creative mode. Breaking an Urn (no tool required) will spawn loot based on treasure loot tables.

Loot Tables
On breaking an urn, there is a chance it will drop loot, pulling from the following loot tables: