Langbeinite
Locality:
Yadovitaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Oblast', Far-Eastern Region, Russia
Colourless cuboctahedrons of Langbeinite. ID confirmed by Igor Pekov. The greenish tint probably is caused by Copper replacing some Magnesium. Collection and photo Stephan Wolfsried.











