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Strunz 9 Classification

4 Oxide, Hydroxide (Oxide, Hydroxide, V[5,6]-Vanadate, Arsenite, Antimonite, Bismutite, Sulfite, Selenite, Tellurite, Iodate)

4.F Hydroxide (ohne V oder U)

4.FE Hydroxide mit OH, ohne H2O; Lagen kantenverknüpfter Oktaeder

4.FE.05 Brucit-Gruppe

Brucite Mg(OH)2 trigonal P3m1 3m
Dritsite Li2Al4(OH)12Cl2·3(H2O) hexagonal P63/mcm 6/mmm
Amakinite Fe(OH)2 trigonal P3m1 3m
Fougèrite Fe2+6Fe3+2(OH)16CO3·3H2O trigonal R3m 3m
Portlandite Ca(OH)2 trigonal P3m1 3m
Pyrochroite Mn(OH)2 trigonal P3m1 3m
Mössbauerite Fe3+3O2(OH)4(CO3)0.5·1.5H2O trigonal R3 3
Theophrastite Ni(OH)2 trigonal P3m1 3m
Trébeurdenite Fe2+2Fe3+4O2(OH)10CO3·3H2O trigonal R3m 3m
Liudongshengite Zn4Cr2(OH)12(CO3)·3H2O trigonal R3m 3m

4.FE.10 Gibbsit-Gruppe

Bayerite Al(OH)3 monoklin P21/n 2/m
Doyleite Al(OH)3 triklin P1 1
Gibbsite Al(OH)3 monoklin P21/n 2/m
Nordstrandite Al(OH)3 triklin I1 1

4.FE.15 Böhmit-Gruppe

Böhmite AlO(OH) orthorhombisch Amam mmm
Lepidocrocite gamma-Fe3+O(OH) orthorhombisch Cmcm mmm

4.FE.20 Heterogenit-Gruppe

Grimaldiite Cr3+O(OH) trigonal R3m 3m
Heterogenite Co3+O(OH) hexagonal R3m 3m
Heterogenite-2H Co3+O(OH) hexagonal P63/mmc 6/mmm

4.FE.25 Lithiophorit-Gruppe

Feitknechtite Mn3+O(OH) trigonal P3m1 3m
Lithiophorite (Al,Li)Mn4+O2(OH)2 trigonal R3m 3m

4.FE.30 Quenselit-Gruppe

Quenselite PbMn3+O2(OH) monoklin P2/a 2/m

4.FE.35 Ferrihydrit-Gruppe

Ferrihydrite Fe3+10O14(OH)2 hexagonal P63mc 6mm

4.FE.40 Feroxyhyt-Gruppe

Vernadite (Mn,Fe,Ca,Na)(O,OH)2·nH2O tetragonal I4/m 4/m
Feroxyhyte Fe3+O(OH) trigonal P3m1 3m

4.FE.45

Quetzalcoatlite Zn8Cu4(TeO3)3(OH)18 trigonal P3m1 3m



Mineralsystematik-Übersicht