- Home
- Crystal systems
- Triclinic
Triclinic crystal system
516 minerals
| Mineral | Chemical formula | Mohs hardness | Density |
|---|---|---|---|
| Abelsonite | NiC₃₁H₃₂N₄ | 2.5 | — |
| Abramovite | Pb₂SnInBiS₇ | — | — |
| Adamsite-(Y) | NaY(CO₃)₂·6H₂O | 3.0 | — |
| Addibischoffite | Ca₂Al₆Al₆O₂₀ | — | — |
| Aenigmatite | Na₄[Fe²⁺₁₀Ti₂]O₄[Si₁₂O₃₆] | 5.5 | — |
| Afmite | Al₃(OH)₄(H₂O)₃(PO₄)(PO₃OH)·H₂O | — | — |
| Agrellite | NaCa₂Si₄O₁₀F | 5.5 | — |
| Aheylite | Fe²⁺Al₆(PO₄)₄(OH)₈·4H₂O | — | — |
| Ajoite | K₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O | — | — |
| Akatoreite | Mn²⁺₉Al₂Si₈O₂₄(OH)₈ | 6.0 | — |
| Albite | NaAlSi₃O₈ | — | 2.64 g/cm³ |
| Albrechtschraufite | MgCa₄F₂[UO₂(CO₃)₃]₂·17-18H₂O | 2.8 | 2.60 g/cm³ |
| Alicewilsonite-(YCe) | — | — | — |
| Alicewilsonite-(YLa) | Na₂Sr₂YLa(CO₃)₆·3H₂O | — | — |
| Alstonite | BaCa(CO₃)₂ | — | — |
| Althupite | AlTh(UO₂)₇(PO₄)₄O₂(OH)₅·15H₂O | — | — |
| Aluminocopiapite | (Al,Mg)Fe³⁺₄(SO₄)₆(OH,O)₂·20H₂O | — | — |
| Alumoedtollite | K₂NaCu₅AlO₂(AsO₄)₄ | — | — |
| Alumohydrocalcite | CaAl₂(CO₃)₂(OH)₄·3H₂O | — | — |
| Alumoklyuchevskite | K₃Cu²⁺₃AlO₂(SO₄)₄ | 2.5 | — |
| Alunogen | Al₂(SO₄)₃(H₂O)₁₂·5H₂O | — | — |
| Amarantite | Fe³⁺₂O(SO₄)₂·7H₂O | 2.5 | — |
| Amblygonite | LiAlPO₄F | — | — |
| Ambrinoite | [K,(NH₄)]₂(As,Sb)₆(Sb,As)₂S₁₃·H₂O | — | — |
| Amesite | Mg₂Al(AlSiO₅)(OH)₄ | — | — |
| Amoraite | Ca₁₂Al₆(OH)₃₆(CO₃)₂(SO₃)·15H₂O | — | — |
| Amurselite | (NH₄)₂(UO₂)₅(SeO₃)₃O₂(OH)₂(H₂O)·8H₂O | — | — |
| Anapaite | Ca₂Fe²⁺(PO₄)₂·4H₂O | 3.5 | 2.81 g/cm³ |
| Anastasenkoite | — | — | — |
| Anatolygurbanovite | SrCa₂Si₃O₉ | — | — |
| Andychristyite | PbCu²⁺Te₆+O₅(H₂O) | — | — |
| Angelellite | Fe³⁺₄(AsO₄)₂O₃ | 5.5 | — |
| Anorpiment | As₂S₃ | — | — |
| Anorthite | CaAl₂Si₂O₈ | — | — |
| Anorthominasragrite | (V₄+O)(SO₄) * 5H₂O | — | — |
| Anorthoroselite | Ca₂Co(AsO₄)₂·2H₂O | — | — |
| Anorthoyttrialite-(Y) | Y₄(SiO₄)(Si₃O₁₀) | — | — |
| Anthoinite | AlWO₃(OH)₃ | — | — |
| Antipinite | KNa₃Cu₂(C₂O₄)₄ | — | — |
| Antipovite | Cu₅O₂(PO₄)₂ | — | — |
| Apexite | NaMg(PO₄)·9H₂O | — | — |
| Aramayoite | Ag₃Sb₂(Bi,Sb)S₆ | 2.5 | — |
| Aravaipaite | Pb₃AlF₉·H₂O | — | — |
| Argentodufrénoysite | — | — | — |
| Argentoliveingite | AgxPb₄₀-₂xAs₄₈+xS₁₁₂ | — | — |
| Arhbarite | — | — | — |
| Arsenmarcobaldiite | — | — | — |
| Arsenopalladinite | Pd₈As₃ | 4.0 | 10.40 g/cm³ |
| Arsenosabugalite | — | — | — |
| Artroeite | PbAlF₃(OH)₂ | — | 5.24 g/cm³ |
| Astrophyllite | K₂NaFe²⁺₇Ti₂Si₈O₂₈(OH)₄F | 3.0 | — |
| Atencioite | Ca₂Fe²⁺₃Mg₂Be₄(PO₄)₆(OH)₄ * 6H₂O | — | — |
| Aubertite | Cu²⁺Al(SO₄)₂Cl·14H₂O | — | — |
| Axinite-(Fe) | — | — | — |
| Axinite-(Mg) | Ca₂MgAl₂BSi₄O₁₅OH | — | — |
| Axinite-(Mn) | Ca₂Mn²⁺Al₂BSi₄O₁₅(OH) | — | — |
| Babingtonite | Ca₂(Fe,Mn)FeSi₅O₁₄(OH) | — | — |
| Baileychlore | (Zn,Fe²⁺,Al,Mg)₆(Si,Al)₄O₁₀(OH)₈ | — | — |
| Bainbridgeite-(NdCe) | Na₂Ba₂NdCe(CO₃)₆·3H₂O | — | — |
| Bainbridgeite-(YCe) | Na₂Ba₂YCe(CO₃)₆·3H₂O | — | — |
| Balićžunićite | Bi₂O(SO₄)₂ | — | — |
| Barentsite | Na₇Al(HCO₃)₂(CO₃)₂F₄ | — | 2.46 g/cm³ |
| Batievaite-(Y) | Ca₂Y₂[(H₂O)₂☐]Ti(Si₂O₇)₂(OH)₂(H₂O)₂ | — | — |
| Batisivite | BaTi₆(V,Cr)₈(Si₂O₇)O₂₂ | — | — |
| Batoniite | Al₈(SO₄)₅(OH)₁₄(H₂O)₁₈·5H₂O | — | — |
| Beckettite | Ca₂V₆Al₆O₂₀ | — | — |
| Belakovskiite | Na₇(UO₂)(SO₄)₄(SO₃OH)(H₂O)₃ | — | — |
| Bellingerite | Cu₃(IO₃)₆·2H₂O | 4.0 | — |
| Belogubite | CuZn(SO₄)₂·10H₂O | — | — |
| Bernarlottiite | Pb₆(As₅Sb₃)S₁₈ | — | — |
| Bikitaite | LiAlSi₂O₆·H₂O | 6.0 | — |
| Bobcookite | NaAl(UO₂)₂(SO₄)₄·18H₂O | — | — |
| Bobshannonite | KBaNa₂(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂ | — | — |
| Bohuslavite | Fe³⁺₄(PO₄)₃(SO₄)(OH)·nH₂O | — | — |
| Borcarite | Ca₄Mg(B₄O₆(OH)₆)(CO₃)₂ | — | — |
| Bornemanite | Na₆(Na☐)Ba₂Ti₂Nb₂(Si₂O₇)₄(PO₄)₂O₄(OH)₂F₂ | — | — |
| Boscardinite | TlPb₄(Sb₇As₂)S₁₈ | — | — |
| Braccoite | NaMn²⁺₅[Si₅O₁₄(OH)](AsO₃)(OH) | — | — |
| Braithwaiteite | NaCu²⁺₅(Sb⁵⁺Ti⁴⁺)O₂(AsO₄)₄[AsO₃(OH)]₂·8H₂O | — | — |
| Branchite | C₂₀H₃₄ | 1.0 | — |