Masutomilite, Kazennitsa quarry, Murzinka, Ural, Russia. Masutomilite is the Mn equivalent of ferro-polylithionite. The blue fluorescence under 365 nm is probably caused by lattice defects.
Masutomilite, an uncommon mica
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Masutomilite, Kazennitsa quarry, Murzinka, Ural, Russia. Masutomilite is the Mn equivalent of ferro-polylithionite. The blue fluorescence under 365 nm is probably caused by lattice defects.