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Tag Archives: 1700s

The Bornite Identity

Movie puns are obviously the best way to start the week. Well, second best. The best way to kick off this week is Mineral Monday. Bornite is commonly known as Peacock ore, for obvious reasons. The bright iridescence of Bornite (Cu5FeS4) is actually a tarnish on the surface of the mineral. If you cut into […]