Seidozerite is a sorosilicate from the seidozerite supergroup (a "titanium disilicate"). It was first described by Semenov, Kazakova and Simonov in 1958.
[Mineralienatlas]
/ref> Its chemical formula is Na4MnZr2Ti(Si2O7)2O2F2 and its type locality is 'Pegmatite No. 58', Lake Seydozero
Lake Seydozero (russian: Сейдозеро, Seydozero, sjd, Сейдъявврь, Sejdjavvr') is located on the Kola Peninsula, in Murmansk Oblast within the Lake Lovozero
Lake Lovozero ( sjd, Луяввьр, sms, Luujäuˊrr, russian: Ло ...
, Lovozero massif, Kola peninsula, Murmansk Oblast
Murmansk Oblast (russian: Му́рманская о́бласть, p=ˈmurmənskəjə ˈobləsʲtʲ, r=Murmanskaya oblast, ''Murmanskaya oblast''; Kildin Sami: Мурман е̄ммьне, ''Murman jemm'ne'') is a federal subject (an oblast) of ...
.[Mindat]
/ref>
References
Monoclinic minerals
Minerals in space group 13
Sorosilicates
{{silicate-mineral-stub