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Strunz Classification System
VI - Sulfates, chromates, molybdates and
tungstates
| Mineral | Formula | Classification |
| A - Water-free sulfates [SO4]2-without unfamiliar anions | ||
| Series 7 - Thenardite - mascagnite series | ||
| Thenardite | Na2SO4 | VI / A.7-10 |
| Series 9 - Barite group | ||
| Celestine | SrSO4 | VI / A.9-10 |
| Barite | BaSO4 | VI / A.9-20 |
| Anglesite | PbSO4 | VI / A.9-50 |
| B - Water-free sulfates [SO4]2-with unfamiliar anions | ||
| Series 1 - Brochantite series (dolerophanite - brochantite) | ||
| Brochantite | Cu4(SO4)(OH)6 | VI / B.1-30 |
| Series 11 - Alunite group (natroalunite - jarosite - beaverite) | ||
| Jarosite | K2Fe63+(SO4)4(OH)12 | VI / B.11-60 |
| Series 12 - Sulphohalite - caracolite series | ||
| Schairerite | Na21(SO4)7F6Cl | VI / B.12-30 |
| Kogarkoite | Na3(SO4)F | VI / B.12-40 |
| C - Water-bearing sulfates without unfamiliar anions | ||
| Series 1 - Kieserite group | ||
| Szomolnokite | Fe2+SO4 · H2O | VI / C.1-20 |
| Series 3 - Rozenite series (starkeyite - boyleite) | ||
| Rozenite | FeSO4 · 4H2O | VI / C.3-20 |
| Boyleite | ZnSO4 · 4H2O | VI / C.3-50 |
| Series 6 - Melanterite group | ||
| Melanterite | Fe2+SO4 · 7H2O | VI / C.6-10 |
| Series 08 - Rhomboclase - Meta-alunogen series | ||
| Paracoquimbite | (Fe3+)2(SO4)3 · 9 H2O | VI / C.08-50 |
| Series 11 - Römerite - Ransomite series | ||
| Römerite | Fe3(SO4)4 · 14 H2O | VI / C.11-10 |
| Series 12 - Halotrichite group (pickeringite - bilinite) | ||
| Halotrichite | Fe2+Al2(SO4)4 · 22 H2O | VI / C.12-20 |
| Series 19 - Picromerite group | ||
| Mohrite | (NH4)2Fe(SO4)2 · 6 H2O | VI / C.19-50 |
| Series 22 - Bassanite - ardealite series | ||
| Gypsum | CaSO4 · 2H2O | VI / C.22-20 |
| D - Water-bearing sulfates with unfamiliar anions | ||
| Series 3 - Langite series | ||
| Posnjakite | Cu4(SO4)(OH)6 · H2O | VI / D.3-10 |
| Langite | Cu4(SO4)(OH)6 · 2H2O | VI / D.3-20 |
| Series 4 - Mooreite - hauckite series | ||
| Shigaite | NaMn62+Al3[(OH)18|(SO4)2 · 12H2O | VI / D.4-40 |
| G - Molybdates and wolframates | ||
| Series 1 - Scheelite - wulfenite series (powellite - raspite) | ||
| Scheelite | CaWO4 | VI / G.1-20 |
| Wulfenite | PbMoO4 | VI / G.1-30 |
Strunz Classification System I - II - III - IV - V - VI - VII - VIII/A - VIII/B - VIII/C - VIII/D - VIII/E - VIII/F - VIII/G - VIII/H - VIII/J - SW | ||