GNT PublishingAdvent calendar 2025—day 21: Goblin Ore
From CoAl₂O₄ to “Kobold” (“Goblin”) mine spirits: why cobalt ore fooled silver miners in the Ore Mountains—and when did Erzgebirge/Krušnohoří become UNESCO World Heritage?
Advent calendar 2025—day 21: Goblin Ore
From CoAl₂O₄ to “Kobold” (“Goblin”) mine spirits: why cobalt ore fooled silver miners in the Ore Mountains—and when did Erzgebirge/Krušnohoří become UNESCO World Heritage?