BRG is pleased to offer this eclectic mineral and gem auction featuring an impressive collection of mineral eggs hailing from the estate of Dr. Paul Zahl. Dr. Zahl was a senior natural scientist for National Geographic, as well as a photographer, author, and all-around natural-world explorer. This unique collection offers a diverse range of mineral specimens in egg-shaped formations including black onyx, obsidian, tiger’s eye, quartz, and amethyst (among others). Each piece exhibits a variety of striking natural colors and patterns.

Rounding out this sale is a large assortment of loose semi-precious gemstones and jewelry. Don't miss the opportunity to bid on these one-of-a-kind geological treasures — perfect for collectors and enthusiasts seeking rare and distinctive mineral specimens. Happy bidding!