URANIUM MINERALS

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Agrinierite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Monoclinic
Chemistry : (K2,Ca,Sr)U3O10 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Andersonite

Class : Carbonates, Nitrates, Borates
Subclass : Uranyl carbonates
Crystal system : Trigonal
Chemistry : Na2Ca(UO2)(CO3)3 6H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Autunite

Class : Phosphates, arsenates, vanadates
Subclass : Phosphates
Crystal system : Orthorhombic
Chemistry : Ca(UO2)2(PO4)2 10H2O
Rarity : Common

Size : µm / mm / cm / dm / m

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Becquerelite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : Ca(UO2)6O4(OH)6 8H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Betafite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : (Ca,U)2(Ti,Nb,Ta)2O6(OH)
Rarity : Rare

Size : µm / mm / cm / dm / m

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Billietite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxide
Crystal system : Orthorhombic
Chemistry : Ba(UO2)6O4(OH)6 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Boltwoodite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : (H3O)K(UO2)SiO4
Rarity : Rare

Size : µm / mm / cm / dm / m

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Brannerite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (U,Ca,Y,Ce)(Ti,Fe)2O6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Calcurmolite

Class : Sulfates, chromates, molybdates
Subclass : Uranyl molybdates
Crystal system : Monoclinic
Chemistry : Ca(UO2)3(MoO4)3(OH)2 11H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Carnotite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Monoclinic
Chemistry : K2(UO2)2(VO4)2 3H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

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Coffinite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Tetragonal
Chemistry : U(SiO4)(OH)4
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Compreignacite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : K2(UO2)6O4(OH)6 8H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Cuproskodowskite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Triclinic
Chemistry : (H3O)Cu(UO2)2(SiO4)2 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Curienite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Orthorhombic
Chemistry : Pb(UO2)2(VO4)2 5H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Curite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : Pb3(UO2)8O8(OH)6 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Demesmaekerite

Class : Oxides and hydroxides
Subclass : Uranyl selenites
Crystal system : Triclinic
Chemistry : Pb2Cu5(UO2)2(SeO3)6(OH)6 2H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Derriksite

Class : Oxides et hydroxides
Subclass : Uranyl selenites
Crystal system : Orthorhombic
Chemistry : Cu4(UO2)(SeO3)2(OH)6
Rarity : Very Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Dumontite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Monoclinic
Chemistry : Pb2(UO2)3O2(PO4)2 5H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Euxenite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Fourmarierite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : Pb(UO2)4O3(OH)4 4H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Francevillite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Orthorhombic
Chemistry : (Ba,Pb)(UO2)2(VO4)2 5H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Guilleminite

Class : Oxides and hydroxides
Subclass : Uranyl selenites
Crystal system : Orthorhombic
Chemistry : Ba(UO2)3(SeO3)2O2 3H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Gummite

Class : -
Subclass : -
Crystal system : -
Chemistry : -
Rarity : Quite common

Size : µm / mm / cm / dm / m

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Heinrichite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Tetragonal
Chemistry : Ba(UO2)2(AsO4)2 10H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ianthinite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : UO25UO3 10H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Iriginite

Class : Sulfates, chromates, molybdates
Subclass : Uranyl molybdates
Crystal system : Orthorhombic
Chemistry : (UO2)(Mo2O7) 3H2O
Rarity : Rare

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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Kahlerite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Triclinic
Chemistry : Fe(UO2)2(AsO4)2 12H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kasolite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : Pb(UO2)SiO4 H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Liebigite

Class : Carbonates, nitrates, borates
Subclass : Uranyl carbonates
Crystal system : Orthorhombic
Chemistry : Ca2(UO2)(CO3)3 11H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

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Marthozite

Class : Oxides and hydroxides
Subclass : Uranyl selenites
Crystal system : Orthorhombic
Chemistry : Cu(UO2)3(SeO3)3(OH)2 7H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Masuyite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : Pb3U8O27 10H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mckelveyite

Class : Carbonates, nitrates, borates
Subclass : Hydrated carbonates
Crystal system : Triclinic
Chemistry : Ba3Na(Ca,U)(Y,Nd)(CO3)6 3H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Meta-autunite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphate
Crystal system : Tetragonal
Chemistry : Ca(UO2)2(PO4)2 6H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Meta-lodevite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Tetragonal
Chemistry : Zn(UO2)2(AsO4)2 10H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Metastudtite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : UO4 2H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Meta-torbernite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Tetragonal
Chemistry : Cu(UO2)2(PO4)2 8H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

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Metatyuyamunite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Orthorhombic
Chemistry : Ca(UO2)2(VO4)2 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Novacekite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Monoclinic
Chemistry : Mg(UO2)2(AsO4)2 12H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Parsonsite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Triclinic
Chemistry : Pb2(UO2)(PO4)2 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Pitchblende

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : UO2
Rarity : Common

Size : µm / mm / cm / dm / m

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Phosphuranylite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Orthorhombic
Chemistry : KCa(H3O)3(UO2)7O4(PO4)4 8H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Phurcalite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Orthorhombic
Chemistry : Ca2(UO2)3O2(PO4)2 7H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Rameauite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Monoclinic
Chemistry : K2CaU6O20 9H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Renardite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Orthorhombic
Chemistry : Pb(UO2)4(PO4)2(OH)4 7H2O
Rarity : Rare to very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Roubaultite

Class : Carbonates, nitrates, borates
Subclass : Uranyl carbonates
Crystal system : Triclinic
Chemistry : Cu2(UO2)3(CO3)2O2(OH)2 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Rutherfordine

Class : Carbonates, nitrates, borates
Subclass : Uranyl carbonates
Crystal system : Orthorhombic
Chemistry : UO2CO3
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Sabugalite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Monoclinic
Chemistry : HAl(UO2)4(PO4)4 16H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Saléeite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Monoclinic
Chemistry : Mg(UO2)2(PO4)2 10H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Samarskite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (Y,Ce,Fe,U)(Bb,Ta)O4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Schoepite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Orthorhombic
Chemistry : (UO2)4O(OH)6 6H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Schröckingerite

Class : Carbonates, nitrates, borates
Subclass : Uranyl carbonates
Crystal system : Triclinic
Chemistry : NaCa3(UO2)(CO3)3SO4F 10H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

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Sengierite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Monoclinic
Chemistry : Cu2(UO2)2(VO4)2(OH)2 6H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Sklodowskite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : (H3O)2Mg(UO2)2(SiO4)2 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Soddyite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Orthorhombic
Chemistry : (UO2)2SiO4 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Studtite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Monoclinic
Chemistry : UO4 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thorogummite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Tetragonal
Chemistry : (Th,U)(SiO4)(OH)4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Thorutite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (Th,U,Ca)Ti2(O,OH)6
Rarity : Rare

Size : µm / mm / cm / dm / m

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Torbernite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Tetragonal
Chemistry : Cu(UO2)2(PO4)2 10H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Trögerite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Tetragonal
Chemistry : (UO2)3(AsO4)2 12H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tyuyamunite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Orthorhombic
Chemistry : Ca(UO2)2(VO4)2 5-8H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Umohoite

Class : Sulfates, chromates, molybdates
Subclass : Uranyl molybdates
Crystal system : Monoclinic
Chemistry : (UO2)MoO4 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Uraninite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : UO2
Rarity : Common

Size : µm / mm / cm / dm / m

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Uranocircite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Tetragonal
Chemistry : Ba(UO2)2(PO4)2 10H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Uranophane

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : Ca(UO2)2(Si3OH)2 5H2O
Rarity : Quite common

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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Uranospathite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl phosphates
Crystal system : Tetragonal
Chemistry : HAl(UO2)4(PO4)4 40H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Uranospinite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Tetragonal
Chemistry : Ca(UO2)2(AsO4)2 10H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Vandenbrandeite

Class : Oxides and hydroxides
Subclass : Uranyl hydroxides
Crystal system : Triclinic
Chemistry : Cu(UO2)(OH)4
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Vanuralite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl vanadates
Crystal system : Monoclinic
Chemistry : Al(UO2)2(VO4)2(OH) 11H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Walpurgite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Triclinic
Chemistry : Bi4(UO2)O4(AsO4)2 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Wyartite

Class : Carbonates, nitrates, borates
Subclass : Uranyl carbonates
Crystal system : Orthorhombic
Chemistry : Ca3U(UO2)6(CO3)2(OH)18 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Zeunerite

Class : Phosphates, arsenates, vanadates
Subclass : Uranyl arsenates
Crystal system : Tetragonal
Chemistry : Cu(UO2)2(AsO4)2 16H2O
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

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