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Minerals
6,131 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Niveolanite | NaBe(CO₃)(OH)·2H₂O | Tetragonal | — | — |
| Nixonite | Na₂Ti₆O₁₃ | Monoclinic | — | 3.50 g/cm³ |
| Nizamoffite | Mn²⁺Zn₂(PO₄)₂(H₂O)₄ | Orthorhombic | — | — |
| Nobleite | CaB₆O₉(OH)₂·3H₂O | Monoclinic | — | — |
| Noelbensonite | BaMn³⁺₂(Si₂O₇)(OH)₂·(H₂O) | Orthorhombic | — | — |
| Nolanite | V³⁺₈Fe³⁺₂O₁₄(OH)₂ | Hexagonal | — | — |
| Nollmotzite | Mg[U₅+(U₆+O₂)₂O₄F₃]*₄H₂O | Monoclinic | — | — |
| Nolzeite | NaMn₂[Si₃BO₉](OH)₂·2H₂O | Triclinic | — | — |
| Nontronite | Na₀.₃Fe₂((Si,Al)₄O₁₀)(OH)₂ * nH₂O | Monoclinic | — | — |
| Noonkanbahite | NaKBaTi₂(Si₄O₁₂)O₂ | Orthorhombic | — | — |
| Norbergite | Mg₃SiO₄F₂ | Orthorhombic | — | 3.08 g/cm³ |
| Nordenskiöldine | CaSn⁴⁺(BO₃)₂ | Trigonal | — | — |
| Nordgauite | MnAl₂(PO₄)₂(F,OH)₂·5.5H₂O | Triclinic | — | — |
| Nordite-(Ce) | (Ce,La)(Sr,Ca)Na₂(Na,Mn)(Zn,Mg)Si₆O₁₇ | — | — | — |
| Nordite-(La) | (La,Ce)(Sr,Ca)Na₂(Na,Mn)(Zn,Mg)Si₆O₁₇ | — | — | — |
| Nordstrandite | Al(OH)₃ | Monoclinic | — | — |
| Norilskite | (Pd,Ag)₂₋ₓPb (0.08 ≤ x ≤ 0.11) | Trigonal | — | — |
| Normandite | NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF | Monoclinic | — | — |
| Norrishite | KLiMn³⁺₂(Si₄O₁₀)O₂ | — | — | — |
| Norsethite | BaMg(CO₃)₂ | Trigonal | 3.5 | — |
| Northstarite | — | Hexagonal | — | — |
| Northupite | Na₃Mg(CO₃)₂Cl | Cubic | — | — |
| Nosean | Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O | Cubic | 5.5 | — |
| Novgorodovaite | Ca₂(C₂O₄)Cl₂·2H₂O | Monoclinic | 2.5 | — |
| Novikovite | (NH₄)₄(Mo⁶⁺₂Mo⁵⁺₂)₄O₈(SO₄)₅ | — | — | — |
| Novodneprite | AuPb₃ | Tetragonal | — | — |
| Novograblenovite | (NH₄)MgCl₃·6H₂O | Monoclinic | — | — |
| Novákite | (Cu,Ag)₂₁As₁₀ | Monoclinic | — | — |
| Nováčekite | Mg(UO₂)₂(AsO₄)₂·10H₂O | — | 2.5 | — |
| Nowackiite | Cu₆Zn₃As₄S₁₂ | Trigonal | — | — |
| Noyesite | Sb₂Te₃(S,OH)₄(PS,OH)₃ | Cubic | — | — |
| Nsutite | Mn²⁺ₓMn⁴⁺₁₋ₓO₂₋₂ₓ(OH)₂ₓ | — | — | — |
| Nuffieldite | Cu₁.₄Pb₂.₄Bi₂.₄Sb₀.₂S₇ | — | — | — |
| Nukundamite | Cu₃.₄Fe₀.₆S₄ | Trigonal | 3.0 | — |
| Nullaginite | Ni₂CO₃(OH)₂ | Monoclinic | — | — |
| Numanoite | Ca₄CuB₄O₆(OH)₆(CO₃)₂ | Monoclinic | — | — |
| Nuragheite | Th(MoO₄)₂·H₂O | Monoclinic | — | — |
| Nuwaite | Ni₆GeS₂ | Tetragonal | — | — |
| Nybergite | Ca₄Sc₃Sn(Si₂O₇)(Si₂O₆OH)₃ | Triclinic | — | — |
| Nybøite | NaNa₂(Mg₃Al₂)(Si₇Al)O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Nyerereite | Na₂Ca(CO₃)₂ | Orthorhombic | 2.5 | — |
| Nyholmite | Cd₃Zn₂(AsO₃OH)₂(AsO₄)₂·4H₂O | Monoclinic | — | — |
| Népouite | Ni₃Si₂O₅(OH)₄ | Orthorhombic | 2.5 | — |
| Nöggerathite-(Ce) | — | Orthorhombic | — | — |
| O'danielite | H₂NaZn₃(AsO₄)₃ | Monoclinic | 3.0 | — |
| Oberthürite | — | Cubic | — | — |
| Oboniobite | Mg₄Nb₂O₉ | Trigonal | — | 4.35 g/cm³ |
| Oboyerite | H₆(Pb,Ca)₆(Te₄+O₃)₃(Te₆+O₆)₂ * 2H₂O | — | — | — |
| Obradovicite-KCu | [K₂(H₂O)₁₇Cu(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₄(OH)₃] | Orthorhombic | — | — |
| Obradovicite-NaCu | [Na₂(H₂O)₁₇Cu(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₄(OH)₃] | Orthorhombic | — | — |
| Obradovicite-NaNa | [Na₂(H₂O)₁₆Na(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₃(OH)₄] | Orthorhombic | — | — |
| Odigitriaite | CsNa₅Ca₅[Si₁₄B₂O₃₈]F₂ | Monoclinic | — | — |
| Odinite | (Fe,Mg,Al,Fe,Ti,Mn)₂.₄((Si,Al)₂O₅)(OH)₄ | Monoclinic | — | — |
| Odintsovite | K₂Na₄Ca₃Ti₂Be₄Si₁₂O₃₈ | Orthorhombic | — | — |
| Oenite | CoSbAs | Orthorhombic | — | — |
| Offretite | KCaMg(Si₁₃Al₅)O₃₆·15H₂O | Hexagonal | 4.0 | — |
| Oftedalite | KSc₂☐₂Be₃Si₁₂O₃₀ | Hexagonal | 6.0 | — |
| Ogdensburgite | Ca₂Fe³⁺₄(Zn,Mn²⁺)(AsO₄)₄(OH)₆·6H₂O | — | — | — |
| Ognitite | NiBiTe | Trigonal | — | — |
| Ohmilite | Sr₃(Ti,Fe³⁺)(Si₂O₆)₂(O,OH)·2H₂O | Monoclinic | — | — |
| Ohtaniite | Mg₃(Si₀,₅◻₀,₅)Si₂O₈ | Orthorhombic | — | — |
| Ojuelaite | ZnFe³⁺₂(AsO₄)₂(OH)₂·4H₂O | Monoclinic | 3.0 | — |
| Okanoganite-(Y) | (Na,Ca)₃(Y,Ce)₁₂Si₆B₂O₂₇F₁₄ | — | — | — |
| Okayamalite | Ca₂B(BSiO₇) | Tetragonal | — | — |
| Okenite | Ca₁₀Si₁₈O₄₆·18H₂O | Triclinic | — | — |
| Okhotskite | Ca₂Mn²⁺Mn³⁺₂(Si₂O₇)(SiO₄)(OH)₂·H₂O | Monoclinic | — | — |
| Okieite | Mg₃[V₁₀O₂₈]·28H₂O | Triclinic | — | — |
| Okruginite | Cu₂SnSe₃ | Monoclinic | — | — |
| Okruschite | Ca₂Mn²⁺₅Be₄(AsO₄)₆(OH)₄·6H₂O | Monoclinic | 3.5 | — |
| Oldhamite | CaS | Cubic | 4.0 | 2.58 g/cm³ |
| Oldsite-(K) | K₂Fe²⁺[(UO₂)(SO₄)₂]₂(H₂O)₈ | Orthorhombic | — | — |
| Olekminskite | Sr(Sr,Ca,Ba)(CO₃)₂ | Trigonal | 3.0 | — |
| Olenite | Na(Al₃)Al₆(Si₆O₁₈)(BO₃)₃O₃(OH) | Trigonal | 7.0 | — |
| Olgafrankite | Ni₃Ge | Cubic | — | 9.39 g/cm³ |
| Olgite | Na(Na,Sr)₂Ba(PO₄)₂ | Trigonal | — | — |
| Olivenite | Cu₂(AsO₄)(OH) | Orthorhombic | 3.0 | — |
| Olkhonskite | (Cr,V)₂Ti₃O₉ | Monoclinic | — | — |
| Olmiite | CaMn[SiO₃(OH)](OH) | Orthorhombic | — | — |
| Olmsteadite | KFe²⁺₂(Nb₅+,Ta₅+)(PO₄)₂O₂ * 2H₂O | — | 4.0 | — |
| Olsacherite | Pb₂(SeO₄)(SO₄) | Orthorhombic | — | — |