A giant hunk of rock, possibly containing useful ore.
Gathering node — attack it with the right tool to harvest. It does not fight back.
Tool: Pickaxe | Skill: Mining
Gives: Diamond
Gem vein (about 2 in 21 of cave vein spawns). Difficulty 30.
Found in: Obfal’s Sepulchre, Lair of the Orc Pit Boss, Grog’s Antechamber, Ugol’s Warren Entrance, The Archaic Hollows, An Enigmatic Chamber, Konima’s Ascension, Aqueducts of Merb, Brog’s Antechamber
See the Gathering Nodes page for refining and crafting.