Siderite - Furka Base Tunnel area, Switzerland - 13 x 11 x 8 cm / main crystal: 2.6 cm

Mineral: Siderite
Locality: Furka Base Tunnel area, Realp, Urseren, Uri, Switzerland
Dimensions: 13 x 11 x 8 cm / main crystal: 2.6 cm

Description: Mass: 821 g MIM number:1892 Well-formed greenish rhombohedra scattering all sides of a block of gray-white matrix typical of this deposit Photographer: AINU / Augustin de Valence Ex collection Joachim Henrich (Germany)