system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How are magnets produced/extracted?
gpt
There is type of iron ore called magnetite, also known as lodestone, is a natural permanent magnet. Magnets can also be made using other large magnets. You take a piece of material and place it next to a large magnet and after some time that piece of material becomes a magnet.