Wulfenite — Arizona’s official state mineral — is the theme for this year’s 65th Annual Tucson Gem and Mineral Show, where exceptional specimens are on display from mines in Arizona and around the ...

I was working on an article on state minerals in 2014 when I looked for Arizona’s state mineral. Searching countless reference works and not finding such a designation, I called the Secretary of State ...

World Famous Red Cloud Wulfenite Mine! The Crystal Collector, Bryan Major with sidekick Matrix visits Yuma, Arizona to this amazing location! This location is open to the public, and stay tuned for ...

The College of Science weekly video series, Mineral Monday, explores the many minerals, fossils and historical objects on display at the W.M. Keck Earth Science and Mineral Engineering Museum, as told ...

Happy birthday, Arizona. You get a rock! But what a rock it is: A mineral that ranges in color from yellow to butterscotch to coral, wulfenite is the latest candidate for official state symbol-dom.