roggianite

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

author(s) : Passaglia

date of publication : 1969

source : Rend.Soc.Min.Ital.(25) p.105

formula : NaCa6Al8(AlSi13)O26(OH)40

comments about the origin : Passaglia 1970

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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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