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Redefined minerals
385 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Actinolite | Ca₂(Mg,Fe)₅[OH|Si₄O₁₁]₂ | Monoclinic | — | — |
| Aegirine-augite | (Ca,Na)(Fe³⁺,Mg,Fe²⁺)Si₂O₆ | Monoclinic | — | — |
| Aerinite | (Ca,Na)₆(Fe³⁺,Fe²⁺,Mg,Al)₄(Al,Mg)₆Si₁₂O₃₆(OH)₁₂(CO₃)·12H₂O | — | 3.0 | 2.48 g/cm³ |
| Aerugite | Ni₈.₅(AsO₄)₂As⁵⁺O₈ | Trigonal | 4.0 | 5.85 g/cm³ |
| Aktashite | Cu₆Hg₃As₄S₁₂ | Trigonal | — | — |
| Aldermanite | Mg₅Al₁₂(PO₄)₈(OH)₂₂·32H₂O | Orthorhombic | 2.0 | — |
| Aliettite | Ca₀.₂Mg₆(Si,Al)₈O₂₀(OH)₄·4H₂O | Monoclinic | — | — |
| Allargentum | Ag₁₋ₓSbₓ (x=0.09-0.16) | Hexagonal | 3.5 | 10.00 g/cm³ |
| Alluaudite | (Na,Ca)(Mn,Mg,Fe²⁺)(Fe³⁺,Mn²⁺)₂(PO₄)₃ | Monoclinic | — | — |
| Alunite | KAl₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Ammoniojarosite | (NH)₄Fe³⁺₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Angastonite | CaMgAl₂(PO₄)₂(OH)₄·7H₂O | Amorphous | — | — |
| Anthophyllite | ☐Mg₂Mg₅Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Antigorite | Mg₃Si₂O₅(OH)₄ | Monoclinic | — | 2.49 g/cm³ |
| Aradite | BaCa₆[(SiO₄)(VO₄)](VO₄)₂F | Trigonal | — | — |
| Arfvedsonite | NaNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Argentojarosite | AgFe³⁺₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Argentotennantite-(Zn) | Ag₆Cu₄(Fe,Zn)₂As₄S₁₃ | Cubic | — | — |
| Argentotetrahedrite-(Fe) | Ag₆Cu₄(Fe,Zn)₂Sb₄S₁₃ | Cubic | — | — |
| Arhbarite | — | Triclinic | — | — |
| Armalcolite | (Mg,Fe²⁺)Ti₂O₅ | Orthorhombic | — | — |
| Arsenopalladinite | Pd₈As₃ | Triclinic | 4.0 | 10.40 g/cm³ |
| Aspidolite | NaMg₃(AlSi₃O₁₀)(OH)₂ | Monoclinic | — | — |
| Attakolite | (Ca,Sr)Mn(Al,Fe)₄(HPO₄,PO₄)₃(SiO₄,PO₄)(OH)₄ | Monoclinic | — | — |
| Bafertisite | Ba₂(Fe²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂ | Monoclinic | — | — |
| Bariopharmacosiderite | Ba₀.₅Fe³⁺₄(AsO₄)₃(OH)₄ * 5H₂O | Tetragonal | — | — |
| Barroisite | ☐NaCa[Mg₃Al₂](Si₇Al)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Barylite | BaBe₂Si₂O₇ | Orthorhombic | — | 4.02 g/cm³ |
| Barytolamprophyllite | (BaK)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂ | Monoclinic | — | — |
| Batievaite-(Y) | Ca₂Y₂[(H₂O)₂☐]Ti(Si₂O₇)₂(OH)₂(H₂O)₂ | Triclinic | — | — |
| Bavenite | Ca₄Be₂₊ₓAl₂₋ₓSi₉O₂₆₋ₓ(OH)₂₊ₓ (x=0 to 1) | Orthorhombic | — | — |
| Beaverite-(Cu) | Pb(Fe³⁺₂Cu)(SO₄)₂(OH)₆ | Trigonal | — | — |
| Bementite | Mn₇Si₆O₁₅(OH)₈ | Monoclinic | 6.0 | — |
| Benjaminite | Ag₃Bi₇S₁₂ | Monoclinic | — | — |
| Beraunite | Fe³⁺₆(PO₄)₄O(OH)₄(H₂O)₄·2H₂O | Monoclinic | — | — |
| Betpakdalite-CaCa | [Ca₂(H₂O)₁₇Ca(H₂O)₆][Mo₆+₈As₅+₂Fe³⁺₃O₃₆(OH)] | Monoclinic | — | — |
| Beudantite | PbFe³⁺₃(AsO₄)(SO₄)(OH)₆ | Trigonal | — | — |
| Bixbyite-(Fe) | (Fe,Mn₂)O₃ | — | — | — |
| Bixbyite-(Mn) | Mn³⁺₂O₃ | Cubic | — | — |
| Bobshannonite | KBaNa₂(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂ | Triclinic | — | — |
| Bohdanowiczite | AgBiSe₂ | — | — | 7.72 g/cm³ |
| Bohseite | Ca₄Be₃₊ₓAl₁₋ₓSi₉O₂₅₋ₓ(OH)₃₊ₓ (x=0 to 1) | Orthorhombic | — | — |
| Bornemanite | Na₆(Na☐)Ba₂Ti₂Nb₂(Si₂O₇)₄(PO₄)₂O₄(OH)₂F₂ | Triclinic | — | — |
| Braggite | PtS | Tetragonal | 6.0 | 10.10 g/cm³ |
| Brunogeierite | Fe²⁺₂Ge⁴⁺O₄ | Cubic | — | — |
| Bussenite | Ba₄(Na,☐)₂(Fe²⁺,Na)₂Ti₂(Si₂O₇)₂(CO₃)₂O₂(OH)₂(H₂O)₂F₂ | Triclinic | — | — |
| Cadwaladerite | AlCl(OH)₂·4H₂O | Cubic | — | 1.66 g/cm³ |
| Calcio-olivine | Ca₂(SiO₄) | Orthorhombic | — | 2.96 g/cm³ |
| Calciomurmanite | (Na,☐)₂Ca(Ti,Mg,Nb)₄[Si₂O₇]₂O₂(OH,O)₂(H₂O)₄ | Triclinic | — | — |
| Calumetite | CaCu₄(OH)₈Cl₂·3.5H₂O | — | — | — |
| Cervantite | Sb³⁺Sb⁵⁺O₄ | Orthorhombic | 4.5 | — |
| Cesbronite | Cu₃Te⁶⁺O₄(OH)₄ | Orthorhombic | 3.0 | — |
| Chabournéite | Tl₄Pb₂(Sb,As)₂₀S₃₄ | Triclinic | — | — |
| Cheralite | CaTh(PO₄)₂ | — | — | — |
| Chladniite | Na₂CaMg₇(PO₄)₆ | Trigonal | — | — |
| Chlormayenite | Ca₁₂Al₁₄O₃₂[☐₄Cl₂] | Cubic | — | — |
| Chromio-pargasite | NaCa₂(Mg₄Cr)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Chromium-dravite | Na(Mg₃)Cr³⁺₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | — | — |
| Chrysotile | Mg₃Si₂O₅(OH)₄ | Orthorhombic | — | 2.49 g/cm³ |
| Ciprianiite | Ca₄(ThREE)AlSi₄B₄O₂₂(OH)₂ | — | — | — |
| Claraite | (Cu,Zn)₁₅(CO₃)₄(AsO₄)₂(SO₄)(OH)₁₄*₇H₂O | Trigonal | 2.0 | — |
| Claringbullite | Cu₄ClF(OH)₆ | Hexagonal | — | — |
| Clino-ferro-ferri-holmquistite | ☐Li₂(Fe²⁺₃Fe³⁺₂)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Clinotobermorite | Ca₄Si₆O₁₇(H₂O)₂·(Ca·3H₂O) | Monoclinic | — | — |
| Comancheite | Hg²⁺₅₅N³⁻₂₄(NH₂,OH)₄(Cl,Br)₃₄ | Orthorhombic | — | — |
| Cooperite | PtS | Tetragonal | — | 10.10 g/cm³ |
| Coquimbite | — | Trigonal | 2.0 | — |
| Corkite | PbFe³⁺₃(SO₄)(PO₄)(OH)₆ | Trigonal | — | — |
| Coulsonite | Fe²⁺V³⁺₂O₄ | Cubic | — | — |
| Crandallite | CaAl₃(PO₄)(PO₃OH)(OH)₆ | Trigonal | 5.0 | — |
| Cualstibite | Cu₂Al(OH)₆[Sb₅+(OH)₆] | Trigonal | — | — |
| Cummingtonite | ☐Mg₂Mg₅Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Cuprorhodsite | (Cu₁+₀.₅Fe³⁺₀.₅)Rh³⁺₂S₄ | Cubic | 5.0 | — |
| Cuprorivaite | CaCuSi₄O₁₀ | Tetragonal | — | — |
| Cámaraite | Ba₃Na(Fe²⁺)₈Ti₄(Si₂O₇)₄O₄(OH)₄F₃ | Triclinic | — | — |
| Darapskite | Na₃(SO₄)(NO₃)·H₂O | Monoclinic | 2.5 | — |
| Delindeite | Ba₂Ti₂(Na₂☐)Ti(Si₂O₇)₂(OH)₂(H₂O)₂O₂ | Monoclinic | — | — |
| Deloneite | (Na₀.₅REE₀.₂₅Ca₀.₂₅)(Ca₀.₇₅REE₀.₂₅)Sr₁.₅(CaNa₀.₂₅REE₀.₂₅)(PO₄)₃F₀.₅(OH)₀.₅ | — | — | — |
| Delrioite | Sr(V⁵⁺O₃)₂·4H₂O | Monoclinic | — | — |
| Dervillite | Ag₂AsS₂ | Monoclinic | — | — |