- Home
- IMA status
- Approved
Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Ringwoodite | SiMg₂O₄ | Cubic | — | 3.24 g/cm³ |
| Rinkite-(Y) | Na₂Ca₄YTi(Si₂O₇)₂OF₃ | Monoclinic | — | — |
| Rinmanite | ZnSb⁵⁺(Fe³⁺₂Mg)O₇(OH) | Hexagonal | — | — |
| Riomarinaite | Bi(SO₄)(OH) * H₂O | Monoclinic | — | — |
| Riotintoite | Al(SO₄)(OH)*₃H₂O | Triclinic | — | — |
| Rippite | K₂(Nb,Ti)₂(Si₄O₁₂)O(O,F) | Tetragonal | — | — |
| Rittmannite | (Mn²⁺,Ca)Mn²⁺(Fe²⁺,Mn²⁺,Mg)₂(Al,Fe³⁺)₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Rivadavite | Na₆Mg[B₆O₇(OH)₆]₄ * 10H₂O | Monoclinic | — | — |
| Roaldite | (Fe,Ni)₄N | Cubic | — | — |
| Robertsite | Ca₂Mn³⁺₃(PO₄)₃O₂(H₂O)₂·H₂O | Monoclinic | — | — |
| Rodalquilarite | Fe₂(TeO₂OH)₃(TeO₃)Cl | Triclinic | — | — |
| Rodolicoite | Fe³⁺PO₄ | Trigonal | — | — |
| Roedderite | KNaMg₂(Mg₃Si₁₂)O₃₀ | Hexagonal | 6.5 | — |
| Rogermitchellite | Na₆Sr₁₂Ba₂Zr₁₃Si₃₉B₄O₁₂₃(OH)₆·20H₂O | Hexagonal | — | — |
| Roggianite | Ca₂Be(OH)₂Al₂Si₄O₁₃ * 2.₅H₂O | Tetragonal | — | — |
| Rohaite | (Tl,Pb,K)₂Cu₈.₇Sb₂S₄ | Orthorhombic | — | — |
| Rokühnite | — | Monoclinic | — | — |
| Rollandite | Cu₃(AsO₄)₂ * 4H₂O | Orthorhombic | — | — |
| Romanorlovite | K₈Cu₆Cl₁₇(OH)₃ | Tetragonal | — | — |
| Romanèchite | (Ba,H₂O)₂(Mn⁴⁺,Mn³⁺)₅O₁₀ | Monoclinic | — | — |
| Romarchite | SnO | Tetragonal | — | 6.29 g/cm³ |
| Rondorfite | Ca₈Mg(SiO₄)₄Cl₂ | Cubic | — | — |
| Rongibbsite | Pb₂(Si₄Al)O₁₁(OH) | Monoclinic | — | — |
| Ronneburgite | K₂MnV₄O₁₂ | Monoclinic | 3.0 | 2.66 g/cm³ |
| Ronpetersonite | BaWO₄ | Tetragonal | — | 6.25 g/cm³ |
| Rorisite | CaFCl | Tetragonal | — | — |
| Roscoelite | K(V³⁺,Al)₂(AlSi₃O₁₀)(OH)₂ | Monoclinic | 2.5 | — |
| Rosemaryite | (Na,Ca,Mn)(Mn,Fe²⁺)(Fe³⁺,Mg)Al(PO₄)₃ | Monoclinic | — | — |
| Rosenbergite | AlF₃.3H₂O | Tetragonal | — | — |
| Rosenhahnite | HCa₃[Si₃O₉(OH)] | Triclinic | — | — |
| Roshchinite | (Ag,Cu)₁₉Pb₁₀Sb₅₁S₉₆ | Orthorhombic | — | — |
| Rosiaite | PbSb₂O₆ | Trigonal | — | 6.89 g/cm³ |
| Rossiantonite | Al₃(PO₄)(SO₄)₂(OH)₂(H₂O)₁₀·4H₂O | Triclinic | — | — |
| Rossmanite | ☐(LiAl₂)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | 7.0 | — |
| Rossovskyite | (Fe³⁺,Ta)(Nb,Ti)O₄ | Monoclinic | — | — |
| Rotemite | Ca₄Cr₂(OH)₁₂Cl₂·4H₂O | Trigonal | — | — |
| Roterbärite | PdCuBiSe₃ | Orthorhombic | — | 7.23 g/cm³ |
| Rotherkopfite | KNa₂Fe²⁺(Fe²⁺)₂(Ti₁.₅Fe²⁺₀.₅)[Si₄O₁₂]₂ | Monoclinic | — | — |
| Rouaite | Cu₂(NO₃)(OH)₃ | Monoclinic | — | — |
| Roubaultite | Cu₂(UO₂)₃(CO₃)₂O₂(OH)₂*₄H₂O | Triclinic | — | — |
| Roumaite | (Nb,Ti)(Ca,Na,☐)₃(Ca,REE)₄(Si₂O₇)₂(OH)F₃ | Monoclinic | — | — |
| Rouseite | Pb₂Mn²⁺[AsO₃]₂ * 2H₂O | Triclinic | — | — |
| Routhierite | CuTlHg₂As₂S₆ | Tetragonal | — | — |
| Rouxelite | Cu₂HgPb₂₃Sb₂₇S₆₅.₅ | — | — | — |
| Rowleyite | [Na(NH₄,K)₉Cl₄][V₅+,₄+₂(P,As)O₈]₆*n[H₂O,Na,NH₄,K,Cl] | Cubic | — | — |
| Roxbyite | Cu₉S₅ | Triclinic | — | — |
| Roymillerite | Pb₂₄Mg₉(Si₁₀O₂₈)(CO₃)₁₀(BO₃)(SiO₄)(OH)₁₃O₅ | Triclinic | — | 5.97 g/cm³ |
| Rruffite | Ca₂Cu(AsO₄)₂·2H₂O | Monoclinic | — | — |
| Ruarsite | (Ru,Os)AsS | Monoclinic | — | — |
| Rubicline | Rb(AlSi₃O₈) | Triclinic | 6.0 | — |
| Rubinite | Ca₃Ti³⁺₂Si₃O₁₂ | Cubic | — | — |
| Rucklidgeite | PbBi₂Te₄ | — | — | — |
| Rudabányaite | — | Cubic | — | — |
| Rudashevskyite | (Fe,Zn)S | Cubic | — | 3.79 g/cm³ |
| Rudenkoite | Sr₃(Al₃.₅Si₃.₅)O₁₀(OH,O)₈Cl₂ * H₂O | Monoclinic | — | — |
| Rudolfhermannite | — | Hexagonal | — | — |
| Ruifrancoite | Ca₂(☐,Mn)₂(Fe³⁺,Mn,Mg)₄Be₄(PO₄)₆(OH)₆·4H₂O | — | — | — |
| Ruitenbergite | Ca₉B₂₆O₃₄(OH)₂₄Cl₄ * 13H₂O | Monoclinic | — | — |
| Ruizhongite | (Ag₂◻)Pb₃Ge₂S₈ | — | — | — |
| Ruizite | Ca₂Mn³⁺₂[Si₄O₁₁(OH)₂](OH)₂*₂H₂O | Monoclinic | — | — |
| Rumoiite | AuSn₂ | Orthorhombic | — | — |
| Rumseyite | [Pb₂OF]Cl | Tetragonal | — | — |
| Rundqvistite-(Ce) | Na₃(Sr₃Ce)[Zn₂Si₈O₂₄] | Monoclinic | — | — |
| Rusakovite | (Fe³⁺,Al)₅(VO₄,PO₄)₂(OH)₉ * 3H₂O | — | — | — |
| Rusinovite | Ca₁₀(Si₂O₇)₃Cl₂ | Orthorhombic | — | — |
| Russoite | (NH₄)ClAs₂O₃(H₂O)₀.₅ | Hexagonal | — | — |
| Rustenburgite | Pt₃Sn | Cubic | 5.0 | 17.87 g/cm³ |
| Rustumite | Ca₁₀(Si₂O₇)₂(SiO₄)(OH)₂Cl₂ | Monoclinic | — | — |
| Ruthenarsenite | (Ru,Ni)As | — | — | 10.00 g/cm³ |
| Ruthenium (native) | Ru | Hexagonal | — | — |
| Rutherfordine | (UO₂)CO₃ | Orthorhombic | — | — |
| Rynersonite | CaTa₂O₆ | — | — | 7.37 g/cm³ |
| Ríosecoite | — | Triclinic | — | — |
| Rüdlingerite | — | Monoclinic | — | — |
| Sabatierite | Cu₆TlSe₄ | Orthorhombic | — | — |
| Sabelliite | (Cu,Zn)₂Zn(AsO₄,SbO₄)(OH)₃ | — | — | — |
| Sabieite | (NH₄)Fe³⁺(SO₄)₂ | Trigonal | — | — |
| Sabinaite | Na₄Zr₂TiO₄(CO₃)₄ | Monoclinic | — | 3.30 g/cm³ |
| Saccoite | — | Tetragonal | — | — |
| Sacrofanite | (Na₆₁K₁₉Ca₃₂)(Si₈₄Al₈₄O₃₃₆)(SO₄)₂₆Cl₂F₆*₂H₂O | Hexagonal | — | — |