cobalt
The origin and history of cobalt.
Etymology
From German Kobalt, itself linked to Kobold ("goblin") — miners blamed mischievous spirits for cobalt ore, which looked like silver but poisoned them with arsenic fumes when smelted.
The origin and history of cobalt.
From German Kobalt, itself linked to Kobold ("goblin") — miners blamed mischievous spirits for cobalt ore, which looked like silver but poisoned them with arsenic fumes when smelted.