rankamaite

certainty of origin : Donated directly by the Author.

author(s) : Von Knorring, Vorma and Nixon

date of publication : 1969

source : Bull.Geol.Soc.Finland (41) p.47-56

formula : (Na,K,Pb,Li)3 (Ta,Nb,Al)11 (O,OH)30

comments about the origin : Vormpa 1970 et Von Knorring 1972

Return to the Type or Author's Specimen Catalog

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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