Works of "Research Collection"
Place Collected: Lindvikskollen
Place Collected: New Idria Mine
Place Collected: Gloucester Mine
Place Collected: Sahatany Valley
Place Collected: Mt. Diablo Mine (Diablo Mine; Ryne Mine)
Place Collected: Sierra Gorda
Place Collected: Jensen Quarry
Place Collected: Singatse Range
Place Collected: Getchell Mine
Place Collected: Kipushi Mine
Place Collected: Kipushi Mine