zussmanite

certainty of origin : Donated directly by the Author.

author(s) : Agrell, Bown and Mc Kie

date of publication : 1965

source : Am.Min.(50) p.278

formula : K(Fe,Mg,Mn)13 (Si,Al)18 O42(OH)14

comments about the origin : Agrell par Davis 1976

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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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