Small Thorium Vein
Found in Swamp of Sorrows, Blasted Lands.
Swamp of Sorrows
Blasted Lands
Item Count Chance 
Thorium Ore1 100% 
Dense Stone1-3 40.0% 
Black Vitriol1 1.00% 
Star Ruby1 0.8% 
Blue Sapphire1 0.7% 
Huge Emerald1 0.7% 
Large Opal1 0.7% 
Azerothian Diamond1 0.7% Zone Spawns Coordinates Swamp of Sorrows 11 58.5, 68.9·50.6, 65.3·46.1, 65.0·57.6, 64.8·61.0, 64.3·42.6, 63.7·45.0, 61.3·41.3, 60.9·51.1, 60.8·55.7, 60.4·61.4, 71.1 Blasted Lands 6 68.8, 9.4·64.6, 5.6·65.9, 7.6·60.7, 7.4·57.6, 6.1·55.5, 4.7