5499 Manganotantalite, Caieras pegmatite (Caieira Mine), Jardim do Serido, Borborema mineral province, Rio Grande do Norte, Brazil

October 5, 2019 Pendleton Brazil South America

Ex John Sobolewski, Matt Gibbs

Tags: Manganotantalite

Mexico North and Central Americas

20078 VHD10 Grossular, Sierra de Cruces, Sierra Mojada Municipality, Coahuila, Mexico

February 6, 2022

15038 D23-1 Hokkaidoite, Opal, Shikaribetsu Lake, Shikaoi (Shikaoi-Chō), Kato District, Tokachi Subprefecture, Hokkaidō Prefecture, Japan

July 30, 2024

Australasia New Zealand

1521 Ardennite, Arrow Junction, near Arrowtown, Central Otago, New Zealand

September 22, 2019

Cumbria England United Kingdom

8192 Valentinite, Sulphur, Wet Swine Gill, Coombe Height, Caldbeck Fells, Cumbria, England

October 5, 2019