ncat VHD4, Prehnite, Avebury, Zeehan, Tasmania November 17, 2019 Steve Australasia Australia Tasmania TBA
Australasia Australia Tasmania 5354 Prehnite, 1km in Viking Decline, Avebury Nickel Mine, Zeehan, Tasmania September 29, 2019
North Ayrshire Scotland United Kingdom ncat JP1649 Calcite, Prehnite, Loanhead Quarry, Beith, North Ayrshire, Scotland, UK October 8, 2019
Europe Germany ncat JP0458 Prehnite, Julgoldite, Andesite quarry, Kreimbach-Kaulbach, Wolfstein, Palatinate, Rhineland-Palatinate, Germany October 11, 2019
Michigan North and Central Americas United States ncat JP1679, Copper, Prehnite, Quincy Mine, Hancock, Houghton Co., Michigan, USA September 23, 2019
