Mineral: Aragonite (variety flos ferri)
Locality: Sapin Vert Mine, Altenberg Peak, Sainte-Marie-aux-Mines, Colmar-Ribeauvillé, Haut-Rhin, Grand Est, France
Dimensions: 11 x 11 x 10 cm

Description: Mass: 342 g MIM number:1752 White coral-like concretions of intact straight branches developed on a brittle gneiss matrix Photographer: AINU / Augustin de Valence

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