Karelianite, Galena, Sphalerite, Gersdorffite, Millerite, Chalcopyrite
Roter Bär Mine, St Andreasberg, Braunlage, Goslar District, Lower Saxony, Germany
Reflected light digital image in plane polarized light of growth generation gg-6, with galena (ga), sphalerite (sp), chalcopyrite (ch), gersdorffite (ge), millerite (mi), acicular aggregate of karelianite and unnamed vanadium minerals. Width of image 2 mm.
G. Grundmann collection and photo.
© Günter Grundmann, Detmold