1617 Prehnite, Silliman Quarry, Southbury, Connecticut, USA September 22, 2019 Steve Connecticut North and Central Americas United States
North Ayrshire Scotland United Kingdom ncat JP1649 Calcite, Prehnite, Loanhead Quarry, Beith, North Ayrshire, Scotland, UK October 8, 2019
New Jersey North and Central Americas United States 5483 Prehnite, Thomsonite, Upper New Street Quarry, Paterson, New Jersey, USA October 2, 2019
Australasia Australia Queensland 4542 Chalcocite, Prehnite, Malachite, Bowen River, Strathmore, Queensland March 12, 2022
