Kutnohorite, Aragonite
Levane, Bucine, Valdarno (Val d'Arno), Arezzo Province, Tuscany, Italy
Toenail, 3.1 x 3.0 x 1.2 cm
3.1 x 3.0 x 1.2 cm (largest). Two carbonate geode halves lined with tan, radial clusters covered with sparkly and transparent aragonite needles and richly dusted with lustrous, brown botryoidal kutnohorite. These fine pieces are from the well-known lignite mines of Levane, Tuscany, Italy. The locality was featured in a 1994 Mineralogical Record article.