Crystals

Elementary crystals (summarized in the table Crystalline forms of elements)

• transition metals: Cu, W, β-Co, α-Hg, ω-Ti, α-Mn
• rare-earth metals: α-La, β-La, α-Sm, α-Pa
• other metals: Mg, In, α-Ga
• III-elements: B
• IV-elements: C, Si, Ge, hex-Ge, α-Sn, β-Sn
• pnictogens: α-N₂ (fcc2), β-N₂ (hcp2), γ-N₂ (fct2), P, α-As
• chalcogens: α-O₂ (hcp2), β-O₂ (fcc2), γ-O₂, δ-O₂, α-S₈, Se, α-Po, β-Po
• halogens: α-F₂, β-F₂, Br₂, I₂

AX binary compounds

• halides: NaCl, CsCl, AgI
• II+VI: ZnS (sphalerite, wurtzite)
• VI+VI: GeTe
• other: NiAs, WC

AX2 and A2X binary compounds

• halides: CaF₂, CdCl₂, CdI₂
• oxides: SiO₂, TiO₂ (rutile, anatase, brookite, B), Cu₂O, MnO₂ (α, β pyrolusite, γ ramsdellite, rutile)
• chalcogenides: FeS₂, TiSe₂, NbS₂, MoS₂ (2H, 3R)
• other: MgB₂

Other binary compounds

• halides: YCl₃, BiI₃, Li₃Bi, SnI₄
• oxides: Al₂O₃, In₂O₃, (MnFe)O₃, Mn₂O₃, Fe₂O₃, Fe₃O₄

Ternary compounds

• perovskite oxides: CaTiO₃, BaTiO₃, LiNbO₃ (para, ferro)
• other oxides: CaWO₄, ZrSiO₄ (zircon, reidite), MgAl₂O₄, ZnV₂O₄ (low-T)
• chalcogenides: CuFeS₂

Other compounds

• (NaCa)Nb₂O₆F
• clathrates: NaSi₆, Na₄K₂Si₃₄, Na₂K₆Si₄₆
• zeolites: natrolite (cf. simplest aluminosilicate Al₂SiO₅)