Works of "Research Collection"
Place Collected: Tupersuatsiak
Place Collected: La Noria
Place Collected: Llallagua
Place Collected: Sierra Gorda
Place Collected: Williams Quarry
Place Collected: Cerro Pintados
Place Collected: Kangerdluarsuk
Place Collected: Naujakasik
Place Collected: Kabwe Mine (Broken Hill Mine)
Place Collected: Llallagua
Place Collected: Llallagua
Place Collected: Llallagua