4411 Prehnite, Moorswood Quarry, Dysgwylfa Hill, Shropshire, England October 5, 2019 Steve England United Kingdom Richard Bell 2007
Cornwall England United Kingdom ncat JP1499 Prehnite, Dean Quarry, St Keverne, Cornwall, England, UK October 8, 2019
Michigan North and Central Americas United States ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019
North and Central Americas United States Virginia 10006 Hydroxyapophyllite-(K), Prehnite, Stilbite, Thaumasite, Bull Run Quarry, Conklin, Loudoun Co., Virginia, USA October 5, 2019
