5483 Prehnite, Thomsonite, Upper New Street Quarry, Paterson, New Jersey, USA October 2, 2019 Steve New Jersey North and Central Americas United States Epimorph after laumontite. John Geiges. Collected by Eric Stanchich in 2007
England United Kingdom 4411 Prehnite, Moorswood Quarry, Dysgwylfa Hill, Shropshire, England October 5, 2019
North Ayrshire Scotland United Kingdom ncat JP1649 Calcite, Prehnite, Loanhead Quarry, Beith, North Ayrshire, Scotland, UK October 8, 2019
