4677 Prehnite, Epidote, Gneiss quarries, Arvigo, Calanca Valley, Misox, Grischun, Switzerland October 5, 2019 Steve Europe Switzerland Tabular colourless prehnite crystal on epidote. Width of view 3mm. Stack of 50 images. Click on the image below for a higher resolution version. Click for full sized imageā¦
Europe Switzerland ncat JP0963 Laumontite, Prehnite, Gneiss quarries, Arvigo, Calanca, Calanca Valley, Moesa, Mesolcina Valley (Misox), Grischun (Grisons; Graubunden), Switzerland October 8, 2019
New Jersey North and Central Americas United States 5483 Prehnite, Thomsonite, Upper New Street Quarry, Paterson, New Jersey, USA October 2, 2019
North and Central Americas Rhode Island United States 4003 Prehnite, Apophyllite, Hanville Quarry, Cumberland, Rhode Island, USA October 4, 2019
Hawaii North and Central Americas United States 0825 Epidote, Kapaa Quarry, Oahu, Hawaii, USA September 20, 2019