July 21, 1967: Mozarkite was adopted as our official state rock. The attractive rock is suitable for jewelry but was commonly used by Native Americans for arrowheads and tools.
This post was contributed by Ross Malone. A historian and a retired school teacher, Ross has authored many books about Missouri’s history, weird facts, and folk tales. He has also written children’s historical fiction. Visit his website, and buy his books in the Missouri Life store.