“Group of very flattened rhombohedral Siderite crystals with a lenticular habit, with polycrystalline surfaces on the faces. On matrix, with hyaline Quartz crystals. Its color is different from the usual in specimens from this area. Le Collet d'Allevard, Allevard, Haut-Grésivaudan, Grenoble, Isère, Auvergne-Rhône-Alpes, France Specimen size: 8.9 × 6.3 × 3.1 cm = 3.50” × 2.48” × 1.22” Main crystal size: 2.5 × 1.8 cm = 0.98” × 0.71” Reference: MY76AL3”

“Group of very flattened rhombohedral Siderite crystals with a lenticular habit, with polycrystalline surfaces on the faces. On matrix, with hyaline Quartz crystals. Its color is different from the usual in specimens from this area. Le Collet d'Allevard, Allevard, Haut-Grésivaudan, Grenoble, Isère, Auvergne-Rhône-Alpes, France Specimen size: 8.9 × 6.3 × 3.1 cm = 3.50” × 2.48” × 1.22” Main crystal size: 2.5 × 1.8 cm = 0.98” × 0.71” Reference: MY76AL3”