Phonolite, Clinopiroxene and leucite crystal are visible.
PhotoID529
Phonolite, Clinopiroxene and leucite crystal are visible.
PhotoID529
Photograph: Alessandro Da Mommio
Phonolite, Clinopiroxene and leucite crystal are visible.
PhotoID529
Phonolite, Clinopiroxene and leucite crystal are visible.
PhotoID529
Photograph: Alessandro Da Mommio