Kobald is a name for pyrites of copper-nickel-cobalt-iron give by German miners of the 15th century. The name (similar to kobold) means goblin. See cobalt.
References
Kobald Wikipedia(Text) CC BY-SA
Kobald is a name for pyrites of copper-nickel-cobalt-iron give by German miners of the 15th century. The name (similar to kobold) means goblin. See cobalt.