Jacobsite - Jakobsbergsfältet, Sweden - 3 x 3.5 x 2 cm / main crystal: 3.2 cm

Mineral: Jacobsite
Locality: Jakobsbergsfältet, Filipstads, Värmland, Sweden
Dimensions: 3 x 3.5 x 2 cm / main crystal: 3.2 cm

Description: Mass: 27 gMIM number:1954Black, very well formed and sharp octahedral mono-crystal, considered among the largest for this rare species.Photographer: FMI / Federico Picciani