4375 Prehnite, Gunnedah, New South Wales April 22, 2020 Steve Australasia Australia New South Wales K & M Brown Collection Video best viewed full screen.
Europe Switzerland 4677 Prehnite, Epidote, Gneiss quarries, Arvigo, Calanca Valley, Misox, Grischun, Switzerland October 5, 2019
Australasia Australia Queensland 0115 Cuprite (Chalcotrichite), Copper, Prehnite, Bowen River, Collinsville, Queensland September 18, 2019
Europe France ncat JP2271 Prehnite, La Combe de la Selle, St Christophe-en-Oisans, Bourg d’Oisans, Isere, Auvergne-Rhone-Alpes, France October 11, 2019
Cornwall England United Kingdom ncat JP1499 Prehnite, Dean Quarry, St Keverne, Cornwall, England, UK October 8, 2019
