6040 Diopside, Prehnite, Jeffrey mine, Asbestos, Quebec, Canada October 2, 2019 Steve Canada North and Central Americas Good prismatic crystals of colourless prehnite with green diopside. Ex Brian Shelton Collection.
Australasia Australia Tasmania 5354 Prehnite, 1km in Viking Decline, Avebury Nickel Mine, Zeehan, Tasmania September 29, 2019
Europe Switzerland ncat JP0963 Laumontite, Prehnite, Gneiss quarries, Arvigo, Calanca, Calanca Valley, Moesa, Mesolcina Valley (Misox), Grischun (Grisons; Graubunden), Switzerland October 8, 2019
North Ayrshire Scotland United Kingdom ncat JP1649 Calcite, Prehnite, Loanhead Quarry, Beith, North Ayrshire, Scotland, UK March 29, 2025
