| # | Mineral | Mohs hardness | Chemical formula | Crystal system |
|---|---|---|---|---|
| 1 | Branchite | 1.0 | C₂₀H₃₄ | Triclinic |
| 2 | Calclacite | 1.0 | Ca(CH₃COO)Cl·5H₂O | Monoclinic |
| 3 | Carlinite | 1.0 | Tl₂S | Trigonal |
| 4 | Carpathite | 1.0 | C₂₄H₁₂ | Monoclinic |
| 5 | Dashkovaite | 1.0 | Mg(HCOO)₂·2H₂O | Monoclinic |
| 6 | Dinite | 1.0 | C₂₀H₃₆ | Orthorhombic |
| 7 | Evenkite | 1.0 | C₂₃H₄₈ | Orthorhombic |
| 8 | Fichtelite | 1.0 | C₁₉H₃₄ | Monoclinic |
| 9 | Formicaite | 1.0 | Ca(CHOO)₂ | Tetragonal |
| 10 | Glaucocerinite | 1.0 | (Zn₁-xAlx)(OH)₂(SO₄)x/₂ * nH₂O | Hexagonal |
| 11 | Hörnesite | 1.0 | Mg₃(AsO₄)₂·8H₂O | — |
| 12 | Jungite | 1.0 | Ca₂Zn₄Fe³⁺₈(PO₄)₉(OH)₉·16H₂O | Orthorhombic |
| 13 | Kaolinite | 1.0 | Al₂Si₂O₅(OH)₄ | Triclinic |
| 14 | Larisaite | 1.0 | Na(H₃O)(UO₂)₃(SeO₃)O₂ * 4H₂O | — |
| 15 | Lasalite | 1.0 | Na₂Mg₂V₁₀O₂₈·20H₂O | Monoclinic |
| 16 | Mauriziodiniite | 1.0 | (NH₄)(As₂O₃)₂I | Hexagonal |
| 17 | Paratellurite | 1.0 | TeO₂ | Tetragonal |
| 18 | Ravatite | 1.0 | C₁₄H₁₀ | Monoclinic |
| 19 | Sassolite | 1.0 | B(OH)₃ | Triclinic |
| 20 | Talc | 1.0 | — | Hexagonal |
| 21 | Tlalocite | 1.0 | Cu₁₀Zn₆(Te₆+O₄)₂(Te₄+O₃)(OH)₂₅Cl·27H₂O | Orthorhombic |
| 22 | Zincowoodwardite | 1.0 | (Zn₁-ₓAlₓ)(SO₄)ₓ/₂(OH)₂ · nH₂O (x < 0.5, n < 3x/2) | Trigonal |
| 23 | Montmorillonite | 1.3 | (Na,Ca)₀.₃₃(Al,Mg)₂(Si₄O₁₀)(OH)₂ * nH₂O | Monoclinic |
| 24 | Vermiculite | 1.3 | Mg₀.₇(Mg,Fe,Al)₆(Si,Al)₈O₂₀(OH)₄ * 8H₂O | Monoclinic |
| 25 | Alacránite | 1.5 | As₈S₉ | Monoclinic |
| 26 | Arsenolite | 1.5 | As₂O₃ | Cubic |
| 27 | Birnessite | 1.5 | (Na,Ca,K)₀.₆(Mn⁴⁺,Mn³⁺)₂O₄·(H₂O)₁.₅ | — |
| 28 | Graphite | 1.5 | C | Hexagonal |
| 29 | Guérinite | 1.5 | Ca₅(AsO₃OH)₂(AsO₄)₂·9H₂O | — |
| 30 | Halotrichite | 1.5 | Fe²⁺Al₂(SO₄)₄·22H₂O | Monoclinic |
| 31 | Hoganite | 1.5 | Cu(CH₃COO)₂·H₂O | Monoclinic |
| 32 | Ice | 1.5 | H₂O | Hexagonal |
| 33 | Ilinskite | 1.5 | (Na,K)Cu₅(SeO₃)₂O₂Cl₃ | Orthorhombic |
| 34 | Iowaite | 1.5 | Mg₆Fe³⁺₂(OH)₁₆Cl₂·4H₂O | Hexagonal |
| 35 | Kawazulite | 1.5 | Bi₂Te₂Se | Trigonal |
| 36 | Kuzminite | 1.5 | HgBr | Tetragonal |
| 37 | Laphamite | 1.5 | As₂(Se,S)₃ | Monoclinic |
| 38 | Nagyágite | 1.5 | [Pb(Pb,Sb)S₂][(Au,Te)] | Monoclinic |
| 39 | Natron | 1.5 | Na₂CO₃·10H₂O | Monoclinic |
| 40 | Paceite | 1.5 | CaCu(CH₃COO)₂·6H₂O | Tetragonal |
| 41 | Satpaevite | 1.5 | Al₁₂(V⁴⁺,V⁵⁺)₈O₃₇·30H₂O (?) | — |
| 42 | Sinjarite | 1.5 | CaCl₂·2H₂O | Tetragonal |
| 43 | Teallite | 1.5 | PbSnS₂ | Orthorhombic |
| 44 | Teschemacherite | 1.5 | (NH₄)HCO₃ | Orthorhombic |
| 45 | Tschermigite | 1.5 | NH₄Al(SO₄)₂·12H₂O | Cubic |
| 46 | Wakabayashilite | 1.5 | [(As,Sb)₆S₉][As₄S₅] | Orthorhombic |
| 47 | Weissbergite | 1.5 | TlSbS₂ | Triclinic |
| 48 | Zapatalite | 1.5 | Cu₃Al₄(PO₄)₃(OH)₉ * 4H₂O | Tetragonal |
| 49 | Sylvanite | 1.8 | AgAuTe₄ | Monoclinic |
| 50 | Abhurite | 2.0 | Sn²⁺₂₁O₆(OH)₁₄Cl₁₆ | Trigonal |
| 51 | Akhtenskite | 2.0 | MnO₂ | Hexagonal |
| 52 | Aldermanite | 2.0 | Mg₅Al₁₂(PO₄)₈(OH)₂₂·32H₂O | Orthorhombic |
| 53 | Aleksite | 2.0 | PbBi₂Te₂S₂ | Trigonal |
| 54 | Arcanite | 2.0 | K₂[SO₄] | Orthorhombic |
| 55 | Arsenolamprite | 2.0 | As | Orthorhombic |
| 56 | Arsenuranospathite | 2.0 | Al(UO₂)₂(AsO₄)₂F·20H₂O | Orthorhombic |
| 57 | Aurichalcite | 2.0 | (Zn,Cu²⁺)₅(CO₃)₂(OH)₆ | Monoclinic |
| 58 | Bentorite | 2.0 | Ca₆Cr₂(SO₄)₃(OH)₁₂·26H₂O | Hexagonal |
| 59 | Bieberite | 2.0 | CoSO₄·7H₂O | Monoclinic |
| 60 | Bismuthinite | 2.0 | Bi₂S₃ | Orthorhombic |
| 61 | Bluestreakite | 2.0 | K₄Mg₂(V⁴⁺₂V⁵⁺₈O₂₈)·14H₂O | Monoclinic |
| 62 | Bílinite | 2.0 | — | Monoclinic |
| 63 | Canaphite | 2.0 | — | Monoclinic |
| 64 | Carnotite | 2.0 | K₂(UO₂)₂(VO₄)₂·3H₂O | Monoclinic |
| 65 | Celadonite | 2.0 | — | Monoclinic |
| 66 | Chalcophyllite | 2.0 | Cu₁₈Al₂(AsO₄)₄(SO₄)₃(OH)₂₄·36H₂O | Trigonal |
| 67 | Claraite | 2.0 | (Cu,Zn)₁₅(CO₃)₄(AsO₄)₂(SO₄)(OH)₁₄*₇H₂O | Trigonal |
| 68 | Coccinite | 2.0 | HgI₂ | Tetragonal |
| 69 | Coquimbite | 2.0 | — | Trigonal |
| 70 | Cyanotrichite | 2.0 | Cu₄Al₂SO₄(OH)₁₂·2H₂O | Orthorhombic |
| 71 | Dietrichite | 2.0 | ZnAl₂(SO₄)₄·22H₂O | Monoclinic |
| 72 | Dundasite | 2.0 | PbAl₂(CO₃)₂(OH)₄·H₂O | Orthorhombic |
| 73 | Elyite | 2.0 | CuPb₄O₂SO₄(OH)₄·H₂O | Monoclinic |
| 74 | Emplectite | 2.0 | CuBiS₂ | Orthorhombic |
| 75 | Epsomite | 2.0 | MgSO₄·7H₂O | Orthorhombic |
| 76 | Falsterite | 2.0 | Ca₂MgMn²⁺₂Fe²⁺₂Fe³⁺₂Zn₄(PO₄)₈(OH)₄(H₂O)₁₄ | Monoclinic |
| 77 | Fizélyite | 2.0 | Ag₅Pb₁₄Sb₂₁S₄₈ | Monoclinic |
| 78 | Gatewayite | 2.0 | Ca₆(H₂O)23(As³⁺V⁴⁺₃V⁵⁺₉As⁵⁺₆O₅₁)·8H₂O | Monoclinic |
| 79 | Glushinskite | 2.0 | Mg(C₂O₄)·2H₂O | Monoclinic |
| 80 | Guilleminite | 2.0 | Ba(UO₂)₃(Se⁴⁺O₃)₂O₂·3H₂O | Orthorhombic |
| 81 | Gypsum | 2.0 | CaSO₄·2H₂O | Monoclinic |
| 82 | Halite | 2.0 | NaCl | Cubic |
| 83 | Hectorfloresite | 2.0 | Na₉(IO₃)(SO₄)₄ | Monoclinic |
| 84 | Hydrotalcite | 2.0 | Mg₆Al₂(CO₃)(OH)₁₆ * 4H₂O | Trigonal |
| 85 | Hydrowoodwardite | 2.0 | (Cu₁-xAlx)(OH)₂[SO₄]x/₂ * nH₂O | — |
| 86 | Inyoite | 2.0 | CaB₃O₃(OH)₅(H₂O)₃·H₂O | Monoclinic |
| 87 | Jacquesdietrichite | 2.0 | Cu₂(H₂BO₃)(OH)₃ | Orthorhombic |
| 88 | Johannite | 2.0 | Cu(UO₂)₂(SO₄)₂(OH)₂·8H₂O | Triclinic |
| 89 | Lüneburgite | 2.0 | Mg₃[B₂(OH)₆(PO₄)₂]·6H₂O | Triclinic |
| 90 | Mallardite | 2.0 | Mn²⁺SO₄·7H₂O | Monoclinic |
| 91 | Mathesiusite | 2.0 | K₅(UO₂)₄(SO₄)₄(VO₅)(H₂O)₄ | Tetragonal |
| 92 | Mathewrogersite | 2.0 | Pb₇FeAl₃GeSi₁₂O₃₆(OH,H₂O)₆ | Hexagonal |
| 93 | Melanterite | 2.0 | Fe²⁺SO₄·7H₂O | Monoclinic |
| 94 | Metarauchite | 2.0 | Ni(UO₂)₂(AsO₄)₂·8H₂O | Triclinic |
| 95 | Mutnovskite | 2.0 | Pb₂AsS₃(I,Cl,Br) | Orthorhombic |
| 96 | Native zinc | 2.0 | Zn | Hexagonal |
| 97 | Natrozippeite | 2.0 | Na₅(UO₂)₈(SO₄)₄O₅(OH)₃ * 12H₂O | Monoclinic |
| 98 | Nickelhexahydrite | 2.0 | Ni(SO₄)(H₂O)₆ | Monoclinic |
| 99 | Nikischerite | 2.0 | Fe²⁺₆Al₃(OH)₁₈[Na(H₂O)₆](SO₄)₂ * 6H₂O | — |
| 100 | Patrónite | 2.0 | VS₄ | Monoclinic |
Top 100 entries with a recorded value; entries without data are not ranked.