4375 Prehnite, Gunnedah, New South Wales April 22, 2020 Steve Australasia Australia New South Wales K & M Brown Collection Video best viewed full screen.
Canada North and Central Americas 6040 Diopside, Prehnite, Jeffrey mine, Asbestos, Quebec, Canada October 2, 2019
Cornwall England United Kingdom ncat JP1499 Prehnite, Dean Quarry, St Keverne, Cornwall, England, UK October 8, 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