Mineral: Siderite with Quartz
Locality: Saint-Pierre-de-Mésage, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Dimensions: 34 x 13 x 20 cm / main crystal: 5.8 cm

Description: Mass: 6000 g MIM number: 1350 Probable year of extraction : 2003 Grouping of siderite crystals in polysynthetic lenticular layers, brown-green with a little surface iridescence. Some quartz crystals coated with iron oxide are also present. Photographer: AINU / Alessandro Clemenza; Publication: "Minéraux - Le Guide des Passionnés" Ex collection: Grégoire de Bodinat (France)

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