4672 PREHNITE, Boyleston Quarry, Barrhead, Strathclyde, Scotland, U.K. September 28, 2019 Steve Scotland Strathclyde United Kingdom Source R.Coulsell, 1999
Africa Democratic Republic of Congo 1580 CUPROSKLODOWSKITE, Shinkolobwe Mine, Shinkolabwe, Katanga Copper Cresent, Katanga, Demo. Republic of Congo September 28, 2019
Africa Namibia 3700 SMITHSONITE, ENARGITE, Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia September 28, 2019
Canada North & Central Americas 5300 BRUCITE, Cross Quarry, Wakefield, Quebec, Canada September 28, 2019
Arizona North & Central Americas United States 0530 HOLLANDITE, Black Jack Mine, Cimarron Mountains, Pima County, Arizona, U.S.A. September 28, 2019
