4375 Prehnite, Gunnedah, New South Wales April 22, 2020 Steve Australasia Australia New South Wales K & M Brown Collection Video best viewed full screen.
New Jersey North and Central Americas United States 10011 Prehnite, Calcite, Lower New Street quarry, Paterson, Passaic Co., New Jersey, USA October 5, 2019
Connecticut North and Central Americas United States 2247 Prehnite, Datolite, Clinochlore, Silliman Quarry, Southbury, Connecticut, USA September 22, 2019
Europe Switzerland ncat JP0963 Laumontite, Prehnite, Gneiss quarries, Arvigo, Calanca, Calanca Valley, Moesa, Mesolcina Valley (Misox), Grischun (Grisons; Graubunden), Switzerland October 8, 2019
