Brainstuff

Hematite is a mineral that we've been using for pigments, as a source of iron, and in other applications for pretty much ever. Learn how it works in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/environmental/earth/geology/hematite.htm Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.