04

Oxides and Hydroxides

Minerals formed by the combination of metals with oxygen or hydroxyl groups. Includes important ore minerals like hematite, magnetite, corundum (ruby, sapphire), and spinel, as well as hydroxides like goethite and gibbsite.

Corundum

Al2O3

Trigonal

Spinel

MgAl2O4

Cubic (Isometric)

Cassiterite

SnO2

Tetragonal

Rutile

TiO2

Tetragonal

Hematite

Fe2O3

Trigonal

Magnetite

Fe3O4

Cubic (Isometric)

자주 묻는 질문

What is the Oxides and Hydroxides mineral class?
Minerals formed by the combination of metals with oxygen or hydroxyl groups. Includes important ore minerals like hematite, magnetite, corundum (ruby, sapphire), and spinel, as well as hydroxides like goethite and gibbsite.
How many minerals are in the Oxides and Hydroxides class?
There are 6 minerals classified in the Oxides and Hydroxides class on MineralFYI.
What defines the Oxides and Hydroxides class?
Minerals in the Oxides and Hydroxides class (Strunz code 04) are grouped by their dominant chemical anion or anionic group in the Strunz classification system.