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Strunz 9 Classification

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

4.D Metall: Sauerstoff = 1:2 und vergleichbare

4.DK Mit großen (± mittelgroßen) [Kationen]; Tunnelstrukturen

4.DK.05 Hollandit-Supergruppe

Akaganeite (Fe3+,Ni2+)8(OH,O)16Cl1.25·nH2O monoklin I2/m 2/m

4.DK.05a Coronadit-Gruppe

Coronadite Pb(Mn4+6Mn3+2)O16 monoklin I2/m 2/m
Ferrihollandite Ba(Mn4+6Fe3+2)O16 monoklin I2/m 2/m
Cryptomelane K(Mn4+7Mn3+)O16 tetragonal I4/m 4/m
Manjiroite Na(Mn4+7Mn3+)O16 tetragonal I4/m 4/m
Strontiomelane Sr(Mn4+6Mn3+2)O16 monoklin P21/c 2/m
Cryptomelane-1Q K(Mn4+7Mn3+)O16
Hollandite Ba(Mn4+6Mn3+2)O16 monoklin I2/m 2/m

4.DK.05b Priderit-Gruppe

Ankangite(Var.v. Mannardite) Ba(Ti,V3+,Cr3+)8O16 tetragonal I4, I4, I4/m 4, 4, 4/m
Henrymeyerite Ba(Ti4+7Fe2+)O16 tetragonal I4/m 4/m
Mannardite Ba(Ti4+6V3+2)O16 tetragonal I41/a 4/m
Priderite K(Ti4+7Fe3+)O16 tetragonal I4/m 4/m
Redledgeite Ba(Ti4+6Cr3+2)O16 tetragonal I4/m 4/m

4.DK.10

Romanèchite (Ba,H2O)2(Mn4+,Mn3+)5O10 monoklin C2/m 2/m
Todorokite (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O monoklin P2/m 2/m



Mineralsystematik-Übersicht