Canada North & Central Americas 4890 VOLBORTHITE, Chalco Mine, Menzies Bay, Vancouver Island, British Columbia, Canada September 28, 2019
Arizona North & Central Americas United States 4889 VOLBORTHITE, Monument No. 1 Mine, Monument Valley, Navajo County, Arizona, U.S.A. September 28, 2019
Arizona North & Central Americas United States 2584 VOLBORTHITE, Monument No. 1 Mine, Monument Valley, Navajo County, Arizona, U.S.A. September 28, 2019
Colorado North & Central Americas United States 2366 EUCAIRITE, VOLBORTHITE, Cougar Mine, Slick Rock District, San Miguel County, Colorado, U.S.A. September 28, 2019
Australasia Australia South Australia 1215 VOLBORTHITE, Paulls Consols Mine, Copley, South Aust., Australia September 28, 2019
Australasia Australia South Australia 1114 VOLBORTHITE, Burr Well, Copely, South Aust., Australia September 28, 2019