Minerals and crystals of Oisans, mineralogists “paradise, miners” hell… The Gardette mine above Bourg d’Oisans, the Chalanches mine (Allemont), the Ribot quartz vein in Huez, the crystals of Plan du Lac, the axinite of Rochers d’Armentiers, the axinite of Balme d’Auris or Rampe des Commères, the prehnite of Combe de la Selle (Saint-Christophe-en-Oisans), the epidote of Cornillon, and more.