1617 Prehnite, Silliman Quarry, Southbury, Connecticut, USA September 22, 2019 Steve Connecticut North and Central Americas United States
New Jersey North and Central Americas United States 10011 Prehnite, Calcite, Lower New Street quarry, Paterson, Passaic Co., New Jersey, USA October 5, 2019
Australasia Australia Queensland 0115 Cuprite (Chalcotrichite), Copper, Prehnite, Bowen River, Collinsville, Queensland September 18, 2019
England United Kingdom 4411 Prehnite, Moorswood Quarry, Dysgwylfa Hill, Shropshire, England October 5, 2019
Cornwall England United Kingdom ncat JP1499 Prehnite, Dean Quarry, St Keverne, Cornwall, England, UK October 8, 2019
