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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Changbaiite | PbNb₂O₆ | Trigonal | 5.5 | — |
| Changchengite | IrBiS | Cubic | 3.5 | 11.96 g/cm³ |
| Changesite-(Ce) | (Ca₈Ce)◻Fe(PO₄)₇ | Trigonal | — | — |
| Changesite-(Y) | (Ca₈Y)◻Fe²⁺(PO₄)₇ | Trigonal | — | — |
| Changoite | Na₂Zn(SO₄)₂·4H₂O | — | — | — |
| Chantalite | CaAl₂(SiO₄)(OH)₄ | Tetragonal | — | — |
| Chaoite | C | Hexagonal | — | — |
| Chapmanite | — | Monoclinic | 2.5 | — |
| Charleshatchettite | CaNb₄O₁₀(OH)₂*₈H₂O | Monoclinic | — | — |
| Charlesite | Ca₆Al₂(SO₄)₂B(OH)₄(OH,O)₁₂·26H₂O | Trigonal | — | — |
| Charmarite | Mn²⁺₄Al₂(OH)₁₂[CO₃] * 3H₂O | — | — | — |
| Charoite | (K,Sr)₁₅-₁₆(Ca,Na)₃₂[Si₆O₁₁(O,OH)₆]₂[Si₁₂O₁₈(O,OH)₁₂]₂[Si₁₇O₂₅(O,OH)₁₈]₂(OH,F)₄ * ~₃H₂O | — | — | — |
| Chatkalite | Cu₆FeSn₂S₈ | Tetragonal | — | — |
| Chayesite | KMg₄Fe³⁺[Si₁₂O₃₀] | — | 6.5 | — |
| Chegemite | Ca₇(SiO₄)₃(OH)₂ | Orthorhombic | — | — |
| Chekhovichite | Bi₂Te₄+₄O₁₁ | — | — | — |
| Chelkarite | CaMgB₂O₄(Cl,OH)₂ * 5H₂O Or near, with Cl:OH = ₃:₁ | — | — | — |
| Chengdeite | — | Cubic | 5.0 | — |
| Chenguodaite | Ag₉FeTe₂S₄ | Orthorhombic | — | — |
| Chenite | Pb₄Cu(SO₄)₂(OH)₆ | Triclinic | — | — |
| Chenmingite | FeCr₂O₄ | Orthorhombic | — | 4.77 g/cm³ |
| Chenowethite | Mg(H₂O)₆[(UO₂)₂(SO₄)₂(OH)₂]·5H₂O | — | — | — |
| Chenzhangruite | MnFe²⁺Te⁴⁺₄O₁₀ | Tetragonal | — | — |
| Cheremnykhite | Pb₃Zn₃(VO₄)₂(TeO₆) | Orthorhombic | — | 5.99 g/cm³ |
| Cherepanovite | RhAs | Orthorhombic | — | — |
| Chernikovite | (H₃O)₂(UO₂)₂(PO₄)₂ * 6H₂O | Tetragonal | — | — |
| Chernykhite | (Ba,Na)(V³⁺,Al,Mg)₂((Si,Al)₄O₁₀)(OH)₂ | — | — | — |
| Chervetite | Pb₂(V₂O₇) | Monoclinic | — | 6.34 g/cm³ |
| Chesnokovite | Na₂SiO₂(OH)₂·8H₂O | Orthorhombic | — | — |
| Chessexite | Na₄Ca₂Mg₃Al₈(SiO₄)₂(SO₄)₁₀(OH)₁₀·40H₂O | Orthorhombic | — | — |
| Chesterite | Mg₁₇Si₂₀O₅₄(OH)₆ | Orthorhombic | — | — |
| Chestermanite | Mg₂(Fe³⁺,Mg,Al,Sb⁵⁺)O₂(BO₃) | Orthorhombic | — | — |
| Chiappinoite-(Y) | Y₂Mn(Si₃O₇)₄ | Orthorhombic | — | — |
| Chiavennite | CaMn²⁺(BeOH)₂Si₅O₁₃·(H₂O)₂ | — | — | — |
| Chibaite | SiO₂·n(CH₄,C₂H₆,C₃H₈,C₄H₁₀) (nmax=3/17) | Cubic | — | — |
| Chihmingite | Ni²⁺Al₂O₄ | Cubic | — | — |
| Chiluite | Bi₃Te⁶⁺Mo⁶⁺O₁₀.₅ | Hexagonal | — | — |
| Chinchorroite | Na₂Mg₅(As₂O₇)₂(AsO₃OH)₂(H₂O)₁₀ | Triclinic | — | — |
| Chinleite-(Ce) | NaCe(SO₄)₂(H₂O) | Trigonal | — | — |
| Chinleite-(Nd) | — | Trigonal | — | — |
| Chinleite-(Y) | NaY(SO₄)₂·H₂O | Trigonal | — | — |
| Chinnerite | [Mg(H₂O)₆]Na(H₂O)₂Al₃(PO₄)₂F₆ | Monoclinic | — | — |
| Chirvinskyite | (Na,Ca)₁₃(Fe,Mn,☐)₂(Ti,Zr)₅(Si₂O₇)₄(OH,O)₁₂*₂H₂O | Triclinic | — | — |
| Chistyakovaite | Al(UO₂)₂(AsO₄)₂F·6.5H₂O | Monoclinic | — | — |
| Chivruaiite | Ca₄(Ti,Nb)₅(Si₆O₁₇)₂(OH,O)₅·13-14H₂O | Orthorhombic | — | — |
| Chiyokoite | Ca3Si(CO3)[B(OH)4]O (OH)5·12H2O | Hexagonal | — | — |
| Chlorargyrite | AgCl | Cubic | 2.5 | 5.58 g/cm³ |
| Chlorartinite | Mg₂CO₃Cl(OH)·2.5H₂O | Trigonal | — | — |
| Chlorbartonite | — | Tetragonal | — | — |
| Chlorellestadite | Ca₅(SiO₄)₁.₅(SO₄)₁.₅Cl | Hexagonal | — | — |
| Chlormagaluminite | Mg₄Al₂(OH)₁₂Cl₂(H₂O)₂ | Hexagonal | — | — |
| Chloromenite | Cu₉(SeO₃)₄O₂Cl₆ | — | — | — |
| Choloalite | (Cu,Sb)₃(Pb,Ca)₃(TeO₃)₆Cl | — | — | — |
| Chongite | Ca₃Mg₂(AsO₄)₂(AsO₃OH)₂·4H₂O | Monoclinic | — | — |
| Chopinite | (Mg,Fe²⁺)₃(PO₄)₂ | Monoclinic | — | — |
| Chorążewiczite | Pb₂Fe³⁺(Te⁶⁺O₆)(HCO₃) | Trigonal | — | — |
| Chovanite | Pb₁₅₋₂ₓSb₁₄₊₂ₓS₃₆Oₓ (x~0.2) | Monoclinic | — | — |
| Chrisstanleyite | Ag₂Pd₃Se₄ | Monoclinic | — | — |
| Christelite | Zn₃Cu₂(SO₄)₂(OH)₆·4H₂O | Triclinic | — | — |
| Christite | TlHgAsS₃ | Monoclinic | — | — |
| Christofschäferite-(Ce) | (Ce,La,Ca)₄Mn(Ti,Fe)₃(Fe,Ti)(Si₂O₇)₂O₈ | Monoclinic | — | — |
| Chromatite | — | Tetragonal | — | — |
| Chrombismite | Bi₁₆CrO₂₇ | Tetragonal | — | — |
| Chromceladonite | K(Mg,Fe²⁺)(Cr,Al)(Si₄O₁₀)(OH)₂ | Monoclinic | — | — |
| Chromferide | Fe₃Cr₁-x (x=₀.₆) | Cubic | — | — |
| Chromium (native) | Cr | Cubic | — | — |
| Chromo-alumino-povondraite | NaCr₃(Al₄Mg₂)(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.5 | — |
| Chromphyllite | K(Cr,Al)₂(AlSi₃O₁₀)(OH,F)₂ | — | — | — |
| Chromschieffelinite | Pb₁₀Te⁶⁺₆O₂₀(OH)₁₄(CrO₄)(H₂O)₅ | Orthorhombic | — | — |
| Chromviskontite | Pb₅Cu₂(CrO₄)₃(SeO₃)(OH)₆ | Orthorhombic | — | — |
| Chrysocolla | Cu₂₋ₓAlₓ(H₂₋ₓSi₂O₅)(OH)₄ · nH₂O | Orthorhombic | — | — |
| Chrysothallite | K₆Cu₆Tl³⁺Cl₁₇(OH)₄·H₂O | Tetragonal | — | — |
| Chubarovite | KZn₂(BO₃)Cl₂ | Trigonal | — | — |
| Chudobaite | (Mg,Zn)₅(AsO₄)₂(HAsO₄)₂ * 10H₂O | Triclinic | — | — |
| Chukanovite | Fe₂(CO₃)(OH)₂ | Monoclinic | — | — |
| Chukhrovite-(Ca) | Ca₃Ca₁.₅Al₂(SO₄)F₁₃·12H₂O | Cubic | — | — |
| Chukhrovite-(Ce) | Ca₃CeAl₂(SO₄)F₁₃·12H₂O | Cubic | — | — |
| Chukhrovite-(Nd) | Ca₃NdAl₂(SO₄)F₁₃·12H₂O | Cubic | — | — |
| Chukhrovite-(Y) | Ca₃YAl₂(SO₄)F₁₃·10H₂O | Cubic | — | — |
| Chukochenite | — | Orthorhombic | 8.0 | — |