SULPHATES

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Aluminite

Class : Sulphates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : Al2(SO4)(OH)4 7H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Alunite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulphates
Crystal system : Trigonal
Chemistry : KAl3(SO4)2(OH)6
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Alunogen

Class : Sulphates, chromates, molybdates
Subclass : Hydrated sulphates
Crystal system : Triclinic
Chemistry : Al2(SO4)3 17H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amarantite

Class : Sulphates, chromates, molybdates
Subclass : Hydrated sulphates
Crystal system : Triclinic
Chemistry : Fe2(SO4)2O 7H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Anglesite

Class : Sulphates, molybdates, chromates
Subclass : Anhydrous sulphates
Crystal system : Orthorhombic
Chemistry : PbSO4
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anhydrite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Orthorhombic
Chemistry : CaSO4
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Antlerite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Orthorhombic
Chemistry : Cu3SO4(OH)4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Barite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulphates
Crystal system : Orthorhombic
Chemistry : BaSO4
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Beudantite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulphates
Crystal system : Trigonal
Chemistry : PbFe3(AsO4)(SO4)(OH)6
Rarity : Rare

Size : µm / mm / cm / dm / m

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Bieberite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulphates
Crystal system : Monoclinic
Chemistry : CoSO4 7H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Botryogen

Class : Sulphates, chromates, molybdates
Subclass : Hydrated sulphates
Crystal system : Monoclinic
Chemistry : MgFe(SO4)2OH 7H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Brochantite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulphates
Crystal system : Monoclinic
Chemistry : Cu4SO4(OH)6
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Caledonite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Orthorhombic
Chemistry : Pb5Cu2(CO3)(SO4)3(OH)6
Rarity : Rare

Size : µm / mm / cm / dm / m

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Celestite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Orthorhombic
Chemistry : SrSO4
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Chalcanthite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Triclinic
Chemistry : CuSO2 5H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Chalcoalumite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : CuAl4SO4(OH)12 3H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Copiapite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Triclinic
Chemistry : Fe5(SO4)6(OH)2 20H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Coquimbite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : Fe2(SO4)3 9H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Creedite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : CaAl2(SO4)(F,OH)10 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Cyanotrichite

Class : Sulphates, chromates, molybdates
Subclass : Hydrated sulphates
Crystal system : Orthorhombic
Chemistry : Cu4Al2(SO4)(OH)12 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Devilline

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : CaCu4(SO4)2(OH)6 3H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Elyite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : Pb4Cu(SO4)(OH)8
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Epsomite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Orthorhombic
Chemistry : MgSO4 7H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ettringite

Class : Sulphates, chromates, molybdates
Subclass : Hydrated sulphates
Crystal system : Trigonal
Chemistry : Ca6Al2(SO4)3(OH)12 26H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ferrinatrite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : Na3Fe(SO4)3 3H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Fibroferrite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : Fe(SO4)(OH) 5H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Glauberite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Monoclinic
Chemistry : Na2Ca(SO4)2
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Goslarite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Orthorhombic
Chemistry : ZnSO4 7H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Gypsum

Class : Sulphates, chromates, molybdates
Subclass : Hydrated sulphates
Crystal system : Monoclinic
Chemistry : CaSO4 2H2O
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Halotrichite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : FeAl2(SO4)4 22H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hanksite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Hexagonal
Chemistry : KNa22(SO4)9(CO3)2Cl
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hexahydrite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : MgSO4 6H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Jarosite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Trigonal
Chemistry : KFe3(SO4)2(OH)6
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Johannite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Triclinic
Chemistry : Cu(UO2)2(SO4)2(OH)2 8H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kainite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : KMg(SO4)Cl 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kalinite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : KAl(SO4)2 11H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kieserite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : MgSO4 H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Klebelsbergite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Orthorhombic
Chemistry : Sb4O4(OH)2(SO4)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kröhnkite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : Na2Cu(SO4)2 2H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ktenasite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : (Cu,Zn)5(SO4)2(OH)6 H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Lanarkite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Monoclinic
Chemistry : Pb2(SO4)O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Langbeinite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Cubic
Chemistry : K2Mg2(SO4)3
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Langite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Orthorhombic
Chemistry : Cu4(SO4)(OH)6 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Linarite

Class : Sulphates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Monoclinic
Chemistry : PbCuSO4(OH)2
Rarity : Fairly rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Melanterite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Triclinic
Chemistry : FeSO4 7H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mirabilite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : Na2SO4 10H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Morenosite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Triclinic
Chemistry : NiSO4 7H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Namuwite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : (Zn,Cu)4SO4(OH)6 4H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Natroalunite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Trigonal
Chemistry : NaAl3(SO4)2(OH)6
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Natrojarosite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Trigonal
Chemistry : NaFe3(SO4)2(OH)6
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pickeringite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : MgAl2(SO4)4 22H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pisanite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : (Fe,Cu)SO4 7H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Plumbojarosite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Trigonal
Chemistry : PbFe6(SO4)4(OH)12
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Polyhalite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Triclinic
Chemistry : K2Ca2Mg(SO4)4 2H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Posnjakite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : Cu4SO4(OH)6 H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Rhomboclase

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Orthorhombic
Chemistry : HFe(SO4)2 4H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Römerite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Triclinic
Chemistry : Fe3(SO4)4 14H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Schulenbergite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : (Cu,Zn)7(SO4,CO3)2(OH)10 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Serpierite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : Ca(Cu,Zn)4(SO4)2(OH)6 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Shigaite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : Mn6Al3(OH)18Na(H2O)6(SO4)2 6H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Slavikite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : NaMg2Fe5(SO4)7(OH)6 33H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Spangolite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : Cu6AlSO4(OH)12Cl 3H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Sturmanite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Trigonal
Chemistry : Ca6Fe2(SO4)2[B(OH)4](OH)12 25H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Svanbergite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Trigonal
Chemistry : SrAl3(PO4)(SO4)(OH)6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tamarugite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : NaAl(SO4)2 6H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thaumasite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Hexagonal
Chemistry : Ca3Si(SO4)(CO3)(OH)6 12H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thenardite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Orthorhombic
Chemistry : Na2SO4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tschermigite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Cubic
Chemistry : (NH4)Al(SO4)2 12H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Uranopilite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : (UO2)6(SO4)(OH)10 12H2O
Rarity : Uncommon to fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Voltaïte

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Cubic
Chemistry : K2Fe9(SO4)12 18H2O
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Weilerite

Class : Sulfates, chromates, molybdates
Subclass : Anhydrous sulfates
Crystal system : Trigonal
Chemistry : BaAl3(AsO4)(SO4)(OH)6
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Wroewolfeite

Class : Sulfates, chromates, molybdates
Subclass : Hydrated sulfates
Crystal system : Monoclinic
Chemistry : Cu4SO4(OH)6 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Zippeite

Class : Sulfates, chromates, molybdates
Subclass : Uranyl sulfate
Crystal system : Orthorhombic
Chemistry : K(UO2)2SO4(OH)3 H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information