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- arsenic
Minerals containing arsenic
726 minerals
Arsenic — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Johninnesite | Na₂Mn²⁺₉Mg₇(OH)₈[AsO₄]₂[Si₆O₁₇]₂ | Triclinic | — | — |
| Jolliffeite | NiAsSe | Cubic | — | 7.09 g/cm³ |
| Jordanite | Pb₁₄(As,Sb)₆S₂₃ | Monoclinic | — | — |
| Joteite | Ca₂CuAl[AsO₄][AsO₃(OH)]₂(OH)₂·5H₂O | Triclinic | — | — |
| Joëlbruggerite | Pb₃Zn₃(Sb⁵⁺,Te⁶⁺)As₂O₁₃(OH,O) | Trigonal | — | — |
| Juansilvaite | Na₅Al₃[AsO₃(OH)]₄[AsO₂(OH)₂]₂(SO₄)₂·4H₂O | Monoclinic | — | — |
| Kaatialaite | Fe(H₂AsO₄)₃ * 5H₂O | Monoclinic | — | — |
| Kahlerite | Fe(UO₂)₂(AsO₄)₂ * 12H₂O | — | — | — |
| Kalgoorlieite | As₂Te₃ | Monoclinic | — | 5.77 g/cm³ |
| Kalungaite | PdAsSe | Cubic | — | 7.46 g/cm³ |
| Kamarizaite | Fe³⁺₃(AsO₄)₂(OH)₃·3H₂O | Triclinic | — | — |
| Kamitugaite | PbAl[(UO₂)₅(PO₄)₂.₃₈(AsO₄)₀.₆₂O₂(OH)₂] * 1₁.₅H₂O | Triclinic | — | — |
| Karibibite | Fe³⁺₃(As³⁺O₂)₄(As³⁺₂O₅)(OH) | Orthorhombic | — | — |
| Karlseifertite | Pb(Ga₂Ge)(AsO₄)₂(OH)₆ | Trigonal | — | — |
| Katiarsite | KTiO(AsO₄) | Orthorhombic | — | 3.30 g/cm³ |
| Kegginite | Pb₃Ca₃[AsV₁₂O₄₀(VO)]*₂₀H₂O | Trigonal | — | — |
| Kemmlitzite | SrAl₃(AsO₄)(SO₄)(OH)₆ | — | 5.5 | — |
| Keutschite | Cu₂AgAsS₄ | Tetragonal | — | — |
| Keyite | Cu²⁺₃Zn₄Cd₂(AsO₄)₆ * 2H₂O | — | — | — |
| Khrenovite | Na₃Fe³⁺₂(AsO₄)₃ | Monoclinic | — | — |
| Kirkiite | Pb₁₀Bi₃As₃S₁₉ | — | — | — |
| Klajite | MnCu₄(AsO₄)₂(AsO₃OH)₂·9H₂O | Triclinic | — | — |
| Kolfanite | Ca₂Fe³⁺₃O₂(AsO₄)₃·2H₂O | Monoclinic | — | — |
| Kolicite | Mn²⁺₇Zn₄(AsO₄)₂(SiO₄)₂(OH)₈ | — | — | — |
| Kolitschite | Pb[Zn₀.₅,☐₀.₅]Fe₃(AsO₄)₂(OH)₆ | Monoclinic | — | — |
| Koritnigite | Zn(AsO₃OH)·H₂O | — | — | — |
| Koutekite | Cu₅As₂ | Hexagonal | — | — |
| Kozyrevskite | Cu₄O(AsO₄)₂ | Orthorhombic | — | — |
| Kraisslite | Zn₃(Mn,Mg)₂₅(Fe³⁺,Al)(As³⁺O₃)₂[(Si,As₅+)O₄]₁₀(OH)₁₆ | — | — | — |
| Krautite | Mn(AsO₃OH)·H₂O | — | — | — |
| Krutovite | NiAs₂ | Cubic | 5.5 | 7.11 g/cm³ |
| Kutinaite | Ag₆Cu₁₄As₇ | Cubic | 4.5 | 8.39 g/cm³ |
| Kuznetsovite | (Hg+₂)Hg²⁺(AsO₄)Cl | Cubic | — | — |
| Köttigite | Zn₃(AsO₄)₂·8H₂O | — | — | — |
| Laffittite | AgHgAsS₃ | Monoclinic | — | 5.84 g/cm³ |
| Lammerite | Cu₃(AsO₄)₂ | Monoclinic | — | 5.25 g/cm³ |
| Langisite | (Co,Ni)As | Hexagonal | — | — |
| Lapeyreite | Cu₃O[AsO₃(OH)]₂·H₂O | Monoclinic | — | — |
| Laphamite | As₂(Se,S)₃ | Monoclinic | 1.5 | — |
| Launayite | CuPb₁₀(Sb,As)₁₂S₂₀ | Monoclinic | — | — |
| Lautite | CuAsS | Orthorhombic | — | 4.90 g/cm³ |
| Lavendulan | NaCaCu₅(AsO₄)₄Cl·5H₂O | Monoclinic | 2.8 | 3.54 g/cm³ |
| Lazarenkoite | (Ca,Fe²⁺)Fe³⁺As³⁺₃O₇ * 3H₂O | Orthorhombic | — | — |
| Lebedevite | K₄Na₁₄Cu₁₄O₈(AsO₄)₈Cl₆ | Tetragonal | — | — |
| Legrandite | Zn₂AsO₄(OH)·H₂O | Monoclinic | — | — |
| Leiteite | ZnAs³⁺₂O₄ | Monoclinic | — | — |
| Lemanskiite | NaCaCu₅(AsO₄)₄Cl * 3H₂O | Tetragonal | — | — |
| Lengenbachite | Ag₄Cu₂Pb₁₈As₁₂S₃₉ | — | — | — |
| Leogangite | Cu₁₀(AsO₄)₄(SO₄)(OH)₆ * 8H₂O | Monoclinic | — | — |
| Lepageite | Mn²⁺₃(Fe³⁺₇Fe²⁺₄)O₃[Sb³⁺₅As³⁺₈O₃₄] | Triclinic | — | — |
| Leybovite-K | KCuNa(MgFe³⁺)(AsO₄)₃ | Monoclinic | — | — |
| Lindackerite | Cu₅(AsO₄)₂(AsO₃OH)₂·9H₂O | — | — | — |
| Liroconite | Cu₂AlAsO₄(OH)₄·4H₂O | Monoclinic | — | — |
| Liskeardite | [(Al,Fe)₃₂(AsO₄)₁₈(OH)₄₂(H₂O)₂₂] * 5₂H₂O | Monoclinic | — | — |
| Liveingite | Pb₂₀As₂₄S₅₆ | — | — | — |
| Lombardoite | Ba₂Mn³⁺(AsO₄)₂(OH) | Monoclinic | — | — |
| Lopatkaite | Pb₅Sb₃AsS₁₁ | Monoclinic | — | — |
| Lorándite | TlAsS₂ | Monoclinic | — | 5.26 g/cm³ |
| Lotharmeyerite | CaZn₂(AsO₄)₂·2H₂O | — | 3.0 | — |
| Luboržákite | Mn₂AsSbS₅ | Monoclinic | — | — |
| Lucabindiite | K(As₂O₃)₂Cl | Hexagonal | — | — |
| Ludlockite | PbFe³⁺₄As³⁺₁₀O₂₂ | Triclinic | — | — |
| Luetheite | CuAl(AsO₄)(OH)₂ | — | — | — |
| Lukrahnite | Ca(Cu,Zn)(Fe³⁺,Zn)(AsO₄)₂ * 2(H₂O,OH) | — | 5.0 | 4.18 g/cm³ |
| Lumsdenite | NaCa₃Mg₂(H₂O)₃₁(As³⁺V⁴⁺₂V⁵⁺₁₀As⁵⁺₆O₅₁)·14H₂O | Triclinic | — | — |
| Luzonite | Cu₃AsS₄ | Tetragonal | 3.5 | — |
| Långbanshyttanite | Pb₂Mn₂Mg(AsO₄)₂(OH)₄·6H₂O | Triclinic | — | — |
| Löllingite | FeAs₂ | Orthorhombic | — | 7.60 g/cm³ |
| Machatschkiite | Ca₆(AsO₄)(AsO₃OH)₃PO₄·15H₂O | — | — | — |
| Madocite | Pb₁₈(Sb,As)₁₅S₄₁ | Orthorhombic | — | — |
| Magganasite | CuFe³⁺₃O(AsO₄)₃ | Triclinic | — | — |
| Maghrebite | MgAl₂(AsO₄)₂(OH)₂·8H₂O | — | — | — |
| Magnesiocanutite | NaMnMg₂[AsO₄]₂[AsO₂(OH)₂] | Monoclinic | — | — |
| Magnesiochlorophoenicite | (Mg,Mn)₃Zn₂(AsO₄)(OH,O)₆ | Monoclinic | — | — |
| Magnesiofluckite | CaMg(AsO₃OH)₂(H₂O)₂ | Triclinic | — | — |
| Magnesiohatertite | (Na,Ca)₂Ca(Mg,Fe³⁺)₂(AsO₄)₃ | Monoclinic | — | — |
| Magnesiokoritnigite | Mg(AsO₃OH)·H₂O | Triclinic | — | — |
| Magnussonite | Mn₁₀As₆O₁₈(OH,Cl)₂ | — | — | — |
| Mahnertite | NaCu₃(AsO₄)₂Cl * 5H₂O | Tetragonal | — | — |
| Majakite | PdNiAs | Hexagonal | 6.0 | 9.33 g/cm³ |