2330 TIPTOPITE, ROSCHERITE, Tip Top Mine, Fourmile, Custer District, Custer County, South Dakota, U.S.A. September 28, 2019 Steve North & Central Americas South Dakota United States Source K.Davy, 1987
Australasia Australia Western Australia 2553 COLUMBITE-(Fe), Londonderry Li Deposit, Nepean, Coolgardie Shire, West. Aust., Australia September 28, 2019
North & Central Americas North Carolina United States 2034 PYROPHYLLITE, Piedmont Mineral Company Mine, Hillsborough, Orange County, North Carolina, U.S.A. September 28, 2019
Maryland North & Central Americas United States 2591 COALINGITE, Hunting Hill Quarry, Rockville, Montgomery County, Maryland, U.S.A. September 28, 2019