ncat JP1499 Prehnite, Dean Quarry, St Keverne, Cornwall, England, UK October 8, 2019 Steve Cornwall England United Kingdom
Connecticut North and Central Americas United States 2247 Prehnite, Datolite, Clinochlore, Silliman Quarry, Southbury, Connecticut, USA September 22, 2019
New Jersey North and Central Americas United States 10011 Prehnite, Calcite, Lower New Street quarry, Paterson, Passaic Co., New Jersey, USA October 5, 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 10005 Hydroxyapophyllite-(K), Prehnite, Stilbite, Laumontite, Fairfax quarry, Centreville, Fairfax Co., Virginia, USA March 23, 2018