Uploaded February 2017 | Updated September 2026, 3 weeks ago

---

The Active Galactic Videos team visits the Tucson Gem and Mineral show in downtown Tucson!

Follow us on Twitter: twitter.com/activegalactic?lang=en
Follow us on Instagram: imgrum.net/user/activegalacticvideos/2199891261
Follow us on Facebook: facebook.com/ActiveGalacticVideos/?ref=page_internal