Europe Switzerland 4710 Prehnite, Epidote, Pyrite, Scolecite, Arvigo, Calanca Valley, Misox (Mesolcina Valley), Grischun (Grisons; Graubunden), Switzerland October 5, 2019
Australasia Australia Victoria 3735 Prehnite, Quartz, Ferrar Basalt, Litell Rocks, Rennick Glacier, North Victoria Land, Antarctica October 3, 2019
Connecticut North and Central Americas United States 1617 Prehnite, Silliman Quarry, Southbury, Connecticut, USA September 22, 2019
Michigan North and Central Americas United States ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019
