Nickel-Strunz Classification - Metal: Oxygen = 2:1 and 1:1 10th editionShow all OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates) subgroups.
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|4.AA||Cation:Anion (M:O) = 2:1 (and 1.8:1)|
|4.AB||M:O = 1:1 (and up to 1:1.25); with small to medium-sized cations only|
|4.AC||M:O = 1:1 (and up to 1:1.25); with large cations (+- smaller ones)|
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