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Grandfathered minerals
1,125 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Natrochalcite | NaCu₂(SO₄)₂(OH)·H₂O | Monoclinic | 4.5 | — |
| Natrophilite | NaMn²⁺PO₄ | — | — | — |
| Naujakasite | (Na,K)₆(Fe²⁺,Mn²⁺,Ca)(Al,Fe)₄Si₈O₂₆ | — | — | — |
| Naumannite | Ag₂Se | Orthorhombic | 2.5 | — |
| Navajoite | Fe³⁺V₅+₉O₂₄ * 12H₂O | Monoclinic | — | — |
| Nekoite | Ca₃Si₆O₁₅*₇H₂O | — | — | — |
| Nenadkevichite | (Na,☐)₈Nb₄(Si₄O₁₂)₂(O,OH)₄·8H₂O | Orthorhombic | — | — |
| Neotocite | — | Amorphous | — | — |
| Neptunite | Na₂KLiFe²⁺₂Ti₂Si₈O₂₄ | Monoclinic | — | — |
| Nesquehonite | MgCO₃·3H₂O | Monoclinic | — | — |
| Newberyite | Mg(PO₃OH)·3H₂O | Orthorhombic | — | — |
| Niggliite | PtSn | Hexagonal | 5.5 | 12.80 g/cm³ |
| Niocalite | Ca₇Nb(Si₂O₇)₂O₃F | Monoclinic | — | 3.17 g/cm³ |
| Nitre | KNO₃ | Orthorhombic | — | 2.19 g/cm³ |
| Nitrobarite | Ba(NO₃)₂ | Cubic | — | 3.20 g/cm³ |
| Nitrocalcite | Ca(NO₃)₂·4H₂O | Monoclinic | — | — |
| Nitromagnesite | Mg(NO₃)₂·6H₂O | Monoclinic | — | — |
| Nolanite | V³⁺₈Fe³⁺₂O₁₄(OH)₂ | Hexagonal | — | — |
| Norbergite | Mg₃SiO₄F₂ | Orthorhombic | — | 3.08 g/cm³ |
| Nordenskiöldine | CaSn⁴⁺(BO₃)₂ | Trigonal | — | — |
| Northupite | Na₃Mg(CO₃)₂Cl | Cubic | — | — |
| Nosean | Na₈(Si₆Al₆)O₂₄(SO₄)·H₂O | Cubic | 5.5 | — |
| Népouite | Ni₃Si₂O₅(OH)₄ | Orthorhombic | 2.5 | — |
| Okenite | Ca₁₀Si₁₈O₄₆·18H₂O | Triclinic | — | — |
| Oldhamite | CaS | Cubic | 4.0 | 2.58 g/cm³ |
| Olivenite | Cu₂(AsO₄)(OH) | Orthorhombic | 3.0 | — |
| Opal | SiO₂·nH₂O | — | — | — |
| Ordoñezite | ZnSb⁵⁺₂O₆ | Tetragonal | — | — |
| Orientite | Ca₈Mn³⁺₁₀(SiO₄)₃(Si₃O₁₀)₃(OH)₁₀·4H₂O | Orthorhombic | — | — |
| Orpiment | As₂S₃ | Monoclinic | — | — |
| Osbornite | TiN | Cubic | — | 5.39 g/cm³ |
| Osumilite | (K,Na)(Fe²⁺,Mg)₂(Al,Fe³⁺)₃(Si,Al)₁₂O₃₀ | Hexagonal | — | — |
| Otavite | CdCO₃ | Trigonal | — | 4.96 g/cm³ |
| Ottrélite | — | — | — | — |
| Overite | CaMgAl(PO₄)₂(OH)·4H₂O | Orthorhombic | — | — |
| Owyheeite | Ag₃Pb₁₀Sb₁₁S₂₈ | Monoclinic | — | — |
| Oxammite | (NH₄)₂(C₂O₄)·H₂O | Orthorhombic | 2.5 | 1.50 g/cm³ |
| Pachnolite | NaCaAlF₆(H₂O) | Monoclinic | 3.0 | — |
| Painite | CaZrAl₉(BO₃)O₁₅ | Hexagonal | 8.0 | 4.00 g/cm³ |
| Palermoite | Li₂SrAl₄(PO₄)₄(OH)₄ | Orthorhombic | — | — |
| Palladium (native) | Pd | Cubic | — | — |
| Palmierite | K₂Pb(SO₄)₂ | Trigonal | — | 4.13 g/cm³ |
| Palygorskite | (Mg,Al)₅(Si,Al)₈O₂₀(OH)₂·8H₂O | Monoclinic | — | — |
| Parabutlerite | Fe³⁺(SO₄)(OH) * 2H₂O | — | — | — |
| Paracelsian | BaAl₂Si₂O₈ | Monoclinic | 6.0 | 3.34 g/cm³ |
| Paradamite | Zn₂AsO₄(OH) | — | — | 4.23 g/cm³ |
| Paraguanajuatite | Bi₂Se₃ | — | — | 7.16 g/cm³ |
| Parahopeite | Zn₃(PO₄)₂ * 4H₂O | — | — | — |
| Paralaurionite | PbCl(OH) | Orthorhombic | — | — |
| Paramelaconite | Cu¹⁺₂Cu²⁺₂O₃ | Tetragonal | 4.5 | 6.04 g/cm³ |
| Paramontroseite | VO₂ | Tetragonal | — | — |
| Pararammelsbergite | NiAs₂ | Orthorhombic | — | 7.11 g/cm³ |
| Parasymplesite | Fe²⁺₃(AsO₄)₂·8H₂O | — | — | — |
| Paratacamite | Cu²⁺₃(Cu,Zn)(OH)₆Cl₂ | — | 3.0 | — |
| Paravauxite | Fe²⁺Al₂(PO₄)₂(OH)₂ * 8H₂O | Triclinic | 3.0 | — |
| Parkerite | Ni₃(Bi,Pb)₂S₂ | Monoclinic | — | — |
| Parsettensite | (K,Na,Ca)₇.₅(Mn,Mg)₄₉Si₇₂O₁₆₈(OH)₅₀ * nH₂O | — | — | — |
| Parsonsite | Pb₂(UO₂)(PO₄)₂·(0-2)H₂O | Triclinic | — | — |
| Pascoite | Ca₃V⁵⁺₁₀O₂₈·17H₂O | Monoclinic | 2.5 | — |
| Pavonite | AgBi₃S₅ | Monoclinic | — | 6.62 g/cm³ |
| Pectolite | NaCa₂Si₃O₈(OH) | Triclinic | — | 2.78 g/cm³ |
| Penfieldite | Pb₂Cl₃(OH) | Hexagonal | — | — |
| Pennantite | Mn²⁺₅Al(AlSi₃O₁₀)(OH)₈ | Monoclinic | — | — |
| Penroseite | NiSe₂ | Cubic | — | 6.57 g/cm³ |
| Pentahydrite | MgSO₄·5H₂O | Triclinic | 2.5 | 1.76 g/cm³ |
| Pentlandite | (Ni,Fe)₉S₈ | Cubic | — | 4.80 g/cm³ |
| Periclase | MgO | Cubic | 5.5 | 3.63 g/cm³ |
| Perovskite | CaTiO₃ | Orthorhombic | 5.5 | 4.00 g/cm³ |
| Petalite | LiAl(Si₄O₁₀) | Monoclinic | — | — |
| Petzite | Ag₃AuTe₂ | Cubic | — | 9.00 g/cm³ |
| Pharmacolite | Ca(AsO₃OH)·2H₂O | Monoclinic | — | — |
| Pharmacosiderite | KFe³⁺₄(AsO₄)₃(OH)₄ * 6-₇H₂O | Cubic | 2.5 | — |
| Phenakite | Be₂SiO₄ | Trigonal | — | 2.96 g/cm³ |
| Phlogopite | KMg₃(Si₃Al)O₁₀(OH)₂ | Monoclinic | 2.5 | 2.81 g/cm³ |
| Phosgenite | Pb₂CO₃Cl₂ | Tetragonal | — | — |
| Phosphammite | (NH₄)₂(HPO₄) | Monoclinic | — | 1.54 g/cm³ |
| Phosphophyllite | Zn₂Fe²⁺(PO₄)₂·4H₂O | Monoclinic | 3.0 | 3.10 g/cm³ |
| Phosphuranylite | KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O | Orthorhombic | 2.5 | — |
| Pickeringite | MgAl₂(SO₄)₄·22H₂O | Monoclinic | — | — |
| Picropharmacolite | Ca₄Mg(AsO₃OH)₂(AsO₄)₂·11H₂O | Triclinic | — | — |