umbozerite

certainty of origin : Cotype (used for additional information).

author(s) : Eskova, Khomyakov, Merkov, Lebedina and Dubakina

date of publication : 1974

source : Dokl.Akad.Nauk.(216) p.169

formula : Na3Sr4ThSi8(O,OH)24

comments about the origin : coll.Khomyakov ech.Stepanov I.M.G.R.E.Moscou 1979 ("cotype")

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This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.

(C) BRGM, ENSMP

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