ncat JP1683, Tephroite, Willemite, Sterling Mine, Sterling Hill, Ogdensburg, Franklin mining district, Sussex Co., New Jersey, USA September 23, 2019 Steve New Jersey North and Central Americas United States Type Locality for Tephroite.
Africa Namibia 7140 Willemite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia October 5, 2019
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
Australasia Australia South Australia 5368 Hedyphane, Willemite, Puttapa, South Australia September 29, 2019
Arizona North and Central Americas United States 1359 Willemite, Tonopah-Belmont Mine, Maricopa Co., Arizona, USA November 16, 2018
