Harvest drops

Taken apart with a harvesting tool (axe, pickaxe, shovel), before perks and tool bonuses.

When it collapses

Falling, it leaves Destroyed Stone (75% of the time) where it lands.

Loot

Holds the Destroyed Forge loot container: 7 × 4 slots, 17 possible items.

Chance of at least one per open at loot stage 50. Every item and stage.