Ericssonite
Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
Sony Alpha 7R ii, bellows, Mitutoyo M Plan 10x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. Dark brown transparent blades of Ericssonite. Collection and photo: Stephan Wolfsried
© Stephan Wolfsried 9/2016