Hillman Hall of Minerals & Gems

Rhodocrosite

Gold

Masterpiece
Gallery

Calcite after Aragonite

brilliant

Pennsylvania
Minerals

Locality
Suites

Aquamarine

Wertz Gallery
of Gems
and Jewelry

Twinning
in Minerals

Cerussite

Poldervaartite

Systematic
Collection

History of the Hall	Research

Carnegie Mineralogical Award