0583 Prehnite, Upper New Street Quarry, Paterson, New Jersey, USA September 20, 2019 Steve New Jersey North and Central Americas United States
Connecticut North and Central Americas United States 2247 Prehnite, Datolite, Clinochlore, Silliman Quarry, Southbury, Connecticut, USA September 22, 2019
Europe France ncat JP2271 Prehnite, La Combe de la Selle, St Christophe-en-Oisans, Bourg d’Oisans, Isere, Auvergne-Rhone-Alpes, France October 11, 2019
North Ayrshire Scotland United Kingdom ncat JP1649 Calcite, Prehnite, Loanhead Quarry, Beith, North Ayrshire, Scotland, UK March 29, 2025