Minerals containing the arsenate (AsO4)3- group.
Minerals containing the chromate (CrO4)2- group.
Rings of silicate tetrahedra.
Compounds containing the hydroxyl (OH-) group.
Single or double chains of silicate tetrahedra.
Minerals containing the molybdate (MoO4)2- group.
Isolated silicate tetrahedra linked by cations.
Minerals containing the nitrate (NO3)- group.
Two-dimensional sheets of silicate tetrahedra.
Standard metal carbonates.
Simple salts of hydrohalic acids.
Simple metal-oxygen compounds.
Standard metal sulfates.
Simple binary sulfides without additional complex anions.
Double tetrahedra (groups of two).
Sulfides where a semi-metal replaces some sulfur (e.g., Tetrahedrite).
Three-dimensional framework of silicate tetrahedra.
Minerals containing the tungstate (WO4)2- group.
Minerals containing the vanadate (VO4)3- group.
Detailed sub-classification of mineral groups based on structural and chemical nuances.