Mineralogy Database

Nickel-Strunz Oxides Classification

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Minerals Arranged by Nickel-Strunz (Version 10) Classification

The Nickel-Strunz 10th Edition (Pending Publication) Mineralogical Tables by Hugo Strunz and Ernest H. Nickel is based on a digital copy obtained from Jim Ferraiolo. Jim is responsible for the Strunz Classification in Mindat.org and he has generously provided webmineral with an updated copy of the classification numbers. Follow this link for a short discussion on the Nickel-Strunz Classification Number.

Note: Space Group in Red   Point Group in Green.
* - Not IMA Approved.

! - Dana Number Added or Changed.

? - IMA Discredited Mineral Name.

Nickel-Strunz Oxides Classification


04.FE Hydroxides with OH, without H2O; sheets of edge-sharing octahedra

04.FE.05 Amakinite (Fe++,Mg)(OH)2 P 3m1 3 2/m
04.FE.05 Brucite Mg(OH)2 P 3m1 3 2/m
04.FE.05 Portlandite Ca(OH)2 P 3m1 3 2/m
04.FE.05 Pyrochroite Mn(OH)2 P 3m1 3 2/m
04.FE.05 Theophrastite Ni(OH)2 P 3m1 3 2/m
04.FE.05 Fougerite! (Fe++,Mg)6Fe+++2(OH)18•4(H2O) R 3m 3 2/m
04.FE.10 Bayerite Al(OH)3 P 21/a 2/m
04.FE.10 Doyleite Al(OH)3 P1 1
04.FE.10 Gibbsite Al(OH)3 P 21/n 2/m
04.FE.10 Nordstrandite Al(OH)3 P1 1
04.FE.15 Boehmite AlO(OH) Amam 2/m 2/m 2/m
04.FE.15 Lepidocrocite FeO(OH) Amam 2/m 2/m 2/m
04.FE.20 Grimaldiite Cr+++O(OH) R 3m 3 2/m
04.FE.20 Heterogenite-2H Co+++O(OH) P 63/mmc 6/m 2/m 2/m
04.FE.20 Heterogenite-3R Co+++O(OH) R 3m 3 2/m
04.FE.25 Feitknechtite beta-Mn+++O(OH) Unk Hex
04.FE.25 Lithiophorite (Al,Li)Mn++++O2(OH)2 R 3m 3 2/m
04.FE.30 Quenselite PbMn+++O2(OH) P 2 2
04.FE.35 Ferrihydrite Fe+++2O3•0.5(H2O) P 31c 3 2/m
04.FE.40 Feroxyhyte Fe+++O(OH) Unk Hex
04.FE.40 Vernadite (Mn++++,Fe+++,Ca,Na)(O,OH)2•n(H2O) I 4/m 4/m
04.FE.45 Quetzalcoatlite Zn8Cu4(TeO3)3(OH)18 C6322 6 2 2