Michigan North and Central Americas United States ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019
Europe Switzerland 4710 Prehnite, Epidote, Pyrite, Scolecite, Arvigo, Calanca Valley, Misox (Mesolcina Valley), Grischun (Grisons; Graubunden), Switzerland October 5, 2019
North and Central Americas Rhode Island United States 4003 Prehnite, Apophyllite, Hanville Quarry, Cumberland, Rhode Island, USA October 4, 2019
Australasia Australia Tasmania 5354 Prehnite, 1km in Viking Decline, Avebury Nickel Mine, Zeehan, Tasmania September 29, 2019
