armenite

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

author(s) : Neumann

date of publication : 1939

source : Norsk.Geol.Tidsskrift (19) p.312

formula : BaCa2Al3(Al3Si9O30)2 H2O

comments about the origin : Univ.Oslo, 1974 (etiquette Univ.Min.Geol.Mus.)

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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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