Mcguinnessite
Eibenthal, Dubova, Mehedinti County, Romania
Green mcguinnessite spheres. Each consists of a couple of minute blades. Sony Alpha 7R ii, bellows, Mitutoyo 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. Collection and photo: Stephan Wolfsried.
© Stephan Wolfsried 6/2018