ncat VHD4, Prehnite, Avebury, Zeehan, Tasmania November 17, 2019 Steve Australasia Australia Tasmania TBA
Australasia Australia Queensland 0115 Cuprite (Chalcotrichite), Copper, Prehnite, Bowen River, Collinsville, Queensland September 18, 2019
North and Central Americas Rhode Island United States 4003 Prehnite, Apophyllite, Hanville Quarry, Cumberland, Rhode Island, USA October 4, 2019
Connecticut North and Central Americas United States 2247 Prehnite, Datolite, Clinochlore, Silliman Quarry, Southbury, Connecticut, USA September 22, 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
