Prehnite with Epidote and Actinolite (variety byssolite)

La Combe de la Selle, Saint-Christophe-en-Oisans, Le Bourg d'Oisans Comune, Isère, Auvergne-Rhône-Alpes  France (1990)

Specimen size: 7.8 × 6.3 × 3.6 cm = 3.07” × 2.48” × 1.42”
Main crystal size: 1.7 × 1.5 cm = 0.67” × 0.59”