Crystal Prospect
Fluorescent SW & LW Calcite on Magnetite and Actinolite - Mineral Hill Mine, Louisville, Carroll Co., Maryland, USA Collection of Stuart Herring
Magnetite and Carrollite-Siegenite Series - Mineral Hill Mine, Louisville, Carroll Co., Maryland, USA Collection of Stuart Herring
Almandine Garnet, Feldspar, Quartz and Muscovite- Stony Run, Baltimore City, Maryland, USA Collection of Stuart Herring