Meniaylovite
Second scoria cone, Northern Breakthrough, Great Fissure eruption, Tolbachik Volcanic field, Milkovsky District, Kamchatka Krai, Russia
Sony Alpha 7R ii, bellows, Mitutoyo M Plan 20x, aperture, Raynox DCR-250 retro, Stack-Master linear actor, stack shot control. Several Tetrahedrons of Menyiaylovite. ID confirmed by Igor Pekov.
Collection and photo Stephan Wolfsried
© Stephan Wolfsried 6/2016