4766 Willemite, Preguica Mine, Sobral da Adica, Moura, Beja District, Portugal October 5, 2019 Steve Europe Portugal Helmut Braith
Arizona North and Central Americas United States 8181 Willemite, Dioptase, Wulfenite, Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony deposit, Tiger, Mammoth District, Pinal Co., Arizona October 5, 2019
New Jersey North and Central Americas United States ncat JP1683, Tephroite, Willemite, Sterling Mine, Sterling Hill, Ogdensburg, Franklin mining district, Sussex Co., New Jersey, USA September 23, 2019
Arizona North and Central Americas United States 1359 Willemite, Tonopah-Belmont Mine, Maricopa Co., Arizona, USA November 16, 2018
Australasia Australia South Australia 4920 Finnemanite, Willemite, Chalcophanite, Beltana Mine (E.Z. Mine; Puttapa mine), Puttapa, Leigh Creek, North Flinders Ranges, Flinders Ranges, South Australia, Australia April 9, 2023
