What does Thorium Armor need?

4× Yellow Power Crystal, 16× Thorium Bar, 1× Blue Sapphire.

Where do you learn Thorium Armor?

From the recipe item Plans: Thorium Armor.

WoW: Forever · Recipe · Classic Beta PvE 2 · Alliance

Its reagents cost at least 2g 6s today.

Prices from

1 scanner · Beta market · Classic Beta PvE 2 · Alliance

Beta market: a level cap and far fewer players, so these prices say little about launch.

Other markets

ReagentNeedEachTotal

Reagents in total, at least2

Questions

What does Thorium Armor need?: 4× Yellow Power Crystal, 16× Thorium Bar, 1× Blue Sapphire.
Where do you learn Thorium Armor?: From the recipe item Plans: Thorium Armor.