ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019 Steve Michigan North and Central Americas United States
North and Central Americas United States Virginia 10006 Hydroxyapophyllite-(K), Prehnite, Stilbite, Thaumasite, Bull Run Quarry, Conklin, Loudoun Co., Virginia, USA October 5, 2019
Australasia Australia Queensland 6082 Copper, Chalcedony, Mount Elliott Mine, Selwyn District, Mount Isa – Cloncurry area, Queensland October 2, 2019
Cornwall England United Kingdom 4886 Prehnite, Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK October 5, 2019
