Mignone Halls of Gems and Minerals Open June 12

Opening June 12, 2021, the Allison and Roberto Mignone Halls of Gems and Minerals offers a brilliant showcase for one of the world’s most important collections of gems and minerals and an engaging guide to our dynamic planet.

Thoroughly redesigned and reinstalled, the 11,000-square-foot Halls will feature about 5,000 specimens from 95 countries.