willemseite

certainty of origin : Donated directly by the Author.

author(s) : Hiemstra and De Waal

date of publication : 1968

source : Nat.Inst.Met.(South Africa) Res.Rept.(352) p.1

formula : (Ni,Mg)3 Si4O10(OH)2

comments about the origin : Nat.Inst.Met.Johannesburg 1971


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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