Material/Specimen
- Lanthanum oxide4
- Lithium nickel cobalt oxide4
- Neodymium oxide4
- Terbium(III) oxide4
- Terbium(III,IV) oxide4
- Iron(II) molybdenum oxide3
- Lithium manganese nickel oxide3
- Nickel-iron oxide (Nickel ferrite)3
- Titanium(IV) oxide3
- Antimony(III) oxide2
- Antimony(IV) oxide2
- Antimony(V) oxide2
- Cobalt oxide, black2
- Cobalt(II) oxide2
- Cobalt(II,III) oxide2
- Cobalt-iron oxide2
- Copper(I) oxide2
- Copper(II) oxide2
- Copper-iron oxide2
- Indium oxide2