| Abelloemringerite | Cu₂Pb₂Mn³⁺Mn⁴⁺₃O₁₁(OH)(H₂O)₂·H₂O | Orthorhombic | — | — |
| Abswurmbachite | Cu²⁺(Mn³⁺)₆O₈(SiO₄) | Tetragonal | 6.5 | 4.96 g/cm³ |
| Agaite | Pb₃Cu²⁺Te⁶⁺O₅(OH)₂(CO₃) | Orthorhombic | — | — |
| Agardite-(Ce) | CeCu²⁺₆(AsO₄)₃(OH)₆·3H₂O | Hexagonal | 3.0 | — |
| Agardite-(La) | LaCu²⁺₆(AsO₄)₃(OH)₆·3H₂O | Hexagonal | — | — |
| Agardite-(Nd) | NdCu²⁺₆(AsO₄)₃(OH)₆·3H₂O | Hexagonal | — | — |
| Agardite-(Y) | YCu²⁺₆(AsO₄)₃(OH)₆·3H₂O | Hexagonal | — | — |
| Aikinite | CuPbBiS₃ | Orthorhombic | — | — |
| Ajoite | K₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O | Triclinic | — | — |
| Aktashite | Cu₆Hg₃As₄S₁₂ | Trigonal | — | — |
| Aldridgeite | (Cd,Ca)(Cu,Zn)₄(SO₄)₂(OH)₆·3H₂O | Monoclinic | — | — |
| Aleutite | [Cu₅O₂](AsO₄)(VO₄)·(Cu,K,Pb,Rb,Cs,)Cl | Monoclinic | — | — |
| Alexshubnikovite | Ca₂Cu₉(AsO₄)₄(OH)₉Cl(H₂O)₈·2H₂O | Monoclinic | — | — |
| Algodonite | Cu₁₋ₓAsₓ (x ~0.15) | — | — | — |
| Allochalcoselite | Cu¹⁺Cu²⁺₅PbO₂(SeO₃)₂Cl₅ | Monoclinic | — | — |
| Almagreraite | CuZnMn⁴⁺₃O₈ | Orthorhombic | — | — |
| Alumoedtollite | K₂NaCu₅AlO₂(AsO₄)₄ | Triclinic | — | — |
| Alumoklyuchevskite | K₃Cu²⁺₃AlO₂(SO₄)₄ | Triclinic | 2.5 | — |
| Ammineite | CuCl₂·2NH₃ | Orthorhombic | — | — |
| Andreadiniite | CuHgAg₇Pb₇Sb₂₄S₄₈ | Monoclinic | — | — |
| Andychristyite | PbCu²⁺Te₆+O₅(H₂O) | Triclinic | — | — |
| Andyrobertsite | KCdCu₅(AsO₄)₄[As(OH)₂O₂]·2H₂O | Monoclinic | 3.0 | 4.01 g/cm³ |
| Anilite | Cu₇S₄ | Orthorhombic | 3.0 | — |
| Annivite-(Zn) | Cu₆(Cu₄Zn₂)Bi₄S₁₂S | Cubic | — | — |
| Antipinite | KNa₃Cu₂(C₂O₄)₄ | Triclinic | — | — |
| Antipovite | Cu₅O₂(PO₄)₂ | Triclinic | — | — |
| Antlerite | Cu²⁺₃SO₄(OH)₄ | — | — | — |
| Apachite | Cu₉Si₁₀O₂₉·11H₂O | Monoclinic | — | — |
| Arcubisite | Ag₆CuBiS₄ | Orthorhombic | — | — |
| Argentotennantite-(Fe) | Ag₆(Cu₄Fe₂)As₄S₁₂S | Cubic | — | — |
| Argentotennantite-(Zn) | Ag₆Cu₄(Fe,Zn)₂As₄S₁₃ | Cubic | — | — |
| Argentotetrahedrite-(Fe) | Ag₆Cu₄(Fe,Zn)₂Sb₄S₁₃ | Cubic | — | — |
| Arsenoústalečite | (Cu₄Cu₂)(Cu₄Cu⁺₂)(As₂Te₂)Se₁₂Se | Cubic | — | — |
| Arsmirandite | Na₁₈Cu₁₂Fe³⁺O₈(AsO₄)₈Cl₅ | Monoclinic | — | — |
| Arthurite | CuFe³⁺₂(AsO₄)₂(OH)₂ * 4H₂O | Monoclinic | — | — |
| Arzrunite | Pb₂Cu₄SO₄(OH)₄Cl₆·2H₂O | — | — | — |
| Asagiite | NiCu₄(SO₄)(OH)₆·6H₂O | — | — | — |
| Ashburtonite | HCu₄Pb₄Si₄O₁₂(HCO₃)₄(OH)₄Cl | Tetragonal | — | — |
| Astrocyanite-(Ce) | Cu₂(Ce,Nd,La)₂(UO₂)(CO₃)₅(OH)₂ * 1.5H₂O | Hexagonal | — | — |
| Atacamite | Cu₂Cl(OH)₃ | Orthorhombic | — | — |
| Athabascaite | Cu₅Se₄ | Orthorhombic | 2.5 | — |
| Atlasovite | K(BiO)Cu₆Fe³⁺(SO₄)₅O₃Cl | Tetragonal | — | — |
| Attikaite | Ca₃Cu₂Al₂(AsO₄)₄(OH)₄·2H₂O | Orthorhombic | — | — |
| Aubertite | Cu²⁺Al(SO₄)₂Cl·14H₂O | Triclinic | — | — |
| Auriacusite | Fe³⁺Cu²⁺(AsO₄)O | Orthorhombic | — | — |
| Aurichalcite | (Zn,Cu²⁺)₅(CO₃)₂(OH)₆ | Monoclinic | 2.0 | — |
| Auricupride | AuCu₃ | Cubic | — | 12.35 g/cm³ |
| Avdoninite | K₂Cu₅Cl₈(OH)₄·H₂O | Monoclinic | — | — |
| Averievite | Cu₆(VO₄)₂O₂Cl₂ | Hexagonal | — | — |
| Axelite | Na₁₄Cu₇(AsO₄)₈F₂Cl₂ | Orthorhombic | — | — |
| Azurite | Cu₃(CO₃)₂(OH)₂ | Monoclinic | 3.8 | 3.75 g/cm³ |
| Babánekite | Cu₃(AsO₄)₂·8H₂O | Monoclinic | — | — |
| Bairdite | Pb₂Cu²⁺₄Te⁶⁺₂O₁₀(OH)₂(SO₄)·H₂O | Monoclinic | — | — |
| Balkanite | Ag₅Cu₉HgS₈ | Orthorhombic | — | — |
| Balyakinite | Cu²⁺(Te⁴⁺O₃) | Orthorhombic | 3.0 | — |
| Bambollaite | Cu(Se,Te)₂ | — | — | — |
| Bandylite | Cu[B(OH)₄]Cl | Tetragonal | 2.5 | — |
| Barahonaite-(Al) | (Ca,Cu,Na,Fe³⁺,Al)₁₂Al₂(AsO₄)₈(OH,Cl)x * nH₂O | Monoclinic | — | — |
| Barahonaite-(Fe) | (Ca,Cu,Na,Fe³⁺,Al)₁₂Fe³⁺₂(AsO₄)₈(OH,Cl)x * nH₂O | Monoclinic | — | — |
| Barlowite | Cu₄BrF(OH)₆ | Hexagonal | — | — |