ncat VHD4, Prehnite, Avebury, Zeehan, Tasmania November 17, 2019 Steve Australasia Australia Tasmania TBA
North and Central Americas Rhode Island United States 4003 Prehnite, Apophyllite, Hanville Quarry, Cumberland, Rhode Island, USA October 4, 2019
Cornwall England United Kingdom 4886 Prehnite, Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK October 5, 2019
