4375 Prehnite, Gunnedah, New South Wales April 22, 2020 Steve Australasia Australia New South Wales K & M Brown Collection Video best viewed full screen.
Michigan North and Central Americas United States ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019
Australasia Australia Queensland 0115 Cuprite (Chalcotrichite), Copper, Prehnite, Bowen River, Collinsville, Queensland September 18, 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
Cornwall England United Kingdom 4886 Prehnite, Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK October 5, 2019
