4375 Prehnite, Gunnedah, New South Wales April 22, 2020 Steve Australasia Australia New South Wales K & M Brown Collection Video best viewed full screen.
Cornwall England United Kingdom ncat JP1499 Prehnite, Dean Quarry, St Keverne, Cornwall, England, UK October 8, 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
England United Kingdom 4411 Prehnite, Moorswood Quarry, Dysgwylfa Hill, Shropshire, England October 5, 2019
Michigan North and Central Americas United States ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019
