1617 Prehnite, Silliman Quarry, Southbury, Connecticut, USA September 22, 2019 Steve Connecticut North and Central Americas United States
Michigan North and Central Americas United States ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019
Australasia Australia Tasmania 2877 Prehnite, Pumpellyite-(Fe), Stellerite, Quartz, Longley Dolerite Quarry, Longley, Tasmania October 3, 2019
Australasia Australia Queensland 4542 Chalcocite, Prehnite, Malachite, Bowen River, Strathmore, Queensland March 12, 2022
