Fine Mineral Specimens

Borussia Minerals

Quality mineral specimens from Arizona, as well as self-collected smoky amethyst scepters from the Fat Jack Mine.

Wulfenite on Matrix

Fat Jack Mine, Arizona

Our Philosophy

About Borussia Minerals

Established 2016

Established in 2016, Borussia Minerals believes exceptional specimens deserve exceptional presentation. Founded with a passion for mineralogy and an eye for the extraordinary, we source pieces that exemplify the pinnacle of natural crystalline beauty.

From Our Own Mine

The Fat Jack Mine

Borussia Minerals acquired the Fat Jack Mine on June 7, 2025. Established in 1880, this historic Arizona locality is known for self-collected smoky amethyst scepters, with occasional rare finds of stolzite — a lead tungstate mineral.

New discovery at the Fat Jack Mine — details coming soon

Get In Touch

Contact

Interested in acquiring a piece for your collection? We welcome inquiries from serious collectors and institutions.

borussiaminerals@gmail.com