MANGANESE MINERALS

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Alabandite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Cubic
Chemistry : MnS
Rarity : Fairly common

Size : µm / mm / cm / dm / m

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Ardennite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Orthorhombic
Chemistry : Mn4(Al,Mg)6(SiO4)2(Si3O10)[(As,V)O4](OH)6
Rarity : Rare

Size : µm / mm / cm / dm / m

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Arrojadite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : KNa4CaFe10Mn4Al(PO4)12(OH)2
Rarity : Uncommon to rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Asbolane

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Trigonal
Chemistry : (Co,Ni)xMn(O,OH)4 nH2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Astrophyllite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : (K,Na)3(Fe,Mn)7Ti2Si8O24(O,OH)7
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Axinite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Triclinic
Chemistry : (Ca,Fe,Mn,Mg)3Al2BSi4O15(OH)
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Bermanite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : Mn3(PO4)2(OH)2 4H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Bixbyite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : (Mn,Fe)2O3
Rarity : Uncommon to rare

Size : µm / mm / cm / dm / m

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Brackebuschite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated vanadates
Crystal system : Monoclinic
Chemistry : Pb2(Mn,Fe)(VO4)2(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Brandtite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Monoclinic
Chemistry : Ca2(Mn,Mg)(As2O4)2 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Braunite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Tetragonal
Chemistry : Mn7SiO12
Rarity : Common

Size : µm / mm / cm / dm / m

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Bustamite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : CaMnSi2O6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Cafarsite

Class : Oxides and hydroxides
Subclass : Arsenites
Crystal system : Cubic
Chemistry : Ca8(Ti,Fe,Mn)6-7(AsO3)12 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Carpholite

Class : Silicates
Subclass : Inosilicates
Crystal system : Orthorhombic
Chemistry : MnAl2Si2O6(OH)4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Chalcophanite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Trigonal
Chemistry : ZnMn3O7 3H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Columbite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : (Fe2+,Mn2+,Mg2+)(Nb,Ta)2O6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Coronadite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : PbMn8O16
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Crichtonite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Trigonal
Chemistry : (Sr,La,Ce,Y)(Ti,Fe,Mn)21O38
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Cryptomelane

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : KMn8O16
Rarity : Rare

Size : µm / mm / cm / dm / m

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Dannemorite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : Mn2(Fe,Mg)5Si8O22(OH)2
Rarity : Rare

Size : µm / mm / cm / dm / m

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Fairfieldite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Triclinic
Chemistry : Ca2(Mn,Fe)(PO4)2 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Ferrisicklerite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Orthorhombic
Chemistry : Li(Fe,Mn)PO4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Fluckite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Triclinic
Chemistry : CaMn(AsO3OH)2 2H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Friedelite

Class : Silicates
Subclass : Phyllosilicates
Crystal system : Monoclinic
Chemistry : Mn8Si6O15(OH,Cl)10
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Frondelite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Orthorhombic
Chemistry : MnFe4(PO4)3(OH)5
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Galaxite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : MnAl2O4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Gaudefroyite

Class : Carbonates, nitrates, borates
Subclass : Borates
Crystal system : Hexagonal
Chemistry : Ca4Mn3(BO3)3(CO3)(O,OH)3
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Groutite

Class : Oxides and hydroxides
Subclass : Hydroxides
Crystal system : Orthorhombic
Chemistry : Mn3+O(OH)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hagendorfite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : NaCaMn(Fe,Mg)2(PO4)3
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hauerite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Cubic
Chemistry : MnS2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hausmannite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : Mn3O4
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Helvite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Cubic
Chemistry : Mn4Be3(SiO4)3S
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hetaerolite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : ZnMn2O4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Hollandite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : BaMn8O16
Rarity : Quite common

Size : µm / mm / cm / dm / m

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Huréaulite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : Mn5(PO4)2(PO3OH)2 4H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Inesite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : Ca2Mn7Si10O28(OH)2 5H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ixiolite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (Ta,Mn,Nb)O2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Jacobsite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : MnFe2O4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Jahnsite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : CaMn(Mg,Fe)2Fe2(PO4)4(OH)2 8H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Johannsenite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : CaMnSi2O6
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kentrolite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Orthorhombic
Chemistry : Pb2Mn2O2Si2O7
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kryzhanovskite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Orthorhombic
Chemistry : Fe2Mn(PO4)2(OH)2 H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kupletskite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : (K,Na)3(Mn,Fe)7(Ti,Nb)2Si8O24(O,OH)7
Rarity : Rare to very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Kutnahorite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Trigonal
Chemistry : CaMn(CO3)2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Laueite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Triclinic
Chemistry : MnFe2(PO4)2(OH)2 8H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Lavenite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : Na2(Mn,Ca,Fe)ZrSi2O7(O,OH,F)2
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Lithiophorite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Trigonal
Chemistry : (Al,Li)MnO2(OH)2
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Lithiophilite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Orthorhombic
Chemistry : LiMnPO4
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Manganite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Monoclinic
Chemistry : MnO(OH)
Rarity : Common

Size : µm / mm / cm / dm / m

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Neptunite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : KNa2Li(Fe,Mn)2Ti2Si8O24
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ottrelite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : (Mn,Fe,Mg)2Al4Si2O10(OH)4
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Phosphophyllite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : Zn2(Fe,Mn)3(PO4)2 4H2O
Rarity : Rare to very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Piemontite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : Ca2(Mn,Fe)Al2(SiO4)3(OH)
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pinakiolite

Class : Carbonates, nitrates, borates
Subclass : Borates
Crystal system : Monoclinic
Chemistry : Mg2MnO2BO3
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pseudolaueite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : MnFe2(PO4)2(OH)2 8H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Psilomelane

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Variable
Chemistry : MnxOy
Rarity : Quite common to very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Purpurite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Orthorhombic
Chemistry : MnPO4
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pyrochroite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Trigonal
Chemistry : Mn(OH)2
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pyrolusite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : MnO2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pyrophanite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Trigonal
Chemistry : MnTiO3
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pyrosmalite

Class : Silicates
Subclass : Phyllosilicates
Crystal system : Trigonal
Chemistry : (Fe,Mn)8Si6O15(OH,Cl)10
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pyroxmangite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : MnSiO3
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Quenselite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Monoclinic
Chemistry : PbMnO2(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Raite

Class : Silicates
Subclass : Phyllosilicates
Crystal system : Orthorhombic
Chemistry : Na3Mn3Ti0,25Si8O20(OH)2 10H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ramsdellite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : MnO2
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Rancieite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Hexagonal
Chemistry : CaMn4O9 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Reddingite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Orthorhombic
Chemistry : Mn3(PO4)2 3H2O
Rarity : Rare to very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Rhodochrosite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Trigonal
Chemistry : MnCO3
Rarity : Common

Size : µm / mm / cm / dm / m

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Rhodonite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : MnSiO3
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Rockbridgeite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Orthorhombic
Chemistry : MnFe4(PO4)3(OH)5
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Romanechite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : (Ba,H2O)2Mn5O10
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Serandite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : Na(Mn,Ca)2Si3O8(OH)
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Sicklerite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Orthorhombic
Chemistry : Li(Mn,Fe)PO4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Stewartite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Triclinic
Chemistry : MnFe2(PO4)2(OH)2 8H2O
Rarity : Very rare to rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Strunzite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Triclinic
Chemistry : MnFe2(PO4)2(OH)2 6H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Sursassite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : Mn2Al3(SiO4)(Si2O7)(OH)3
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tantalite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : (Fe2+,Mn2+,Mg2+)(Ta,Nb)2O6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tapiolite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : (Fe,Mn)(Ta,Nb)2O6
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tephroite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Orthorhombic
Chemistry : Mn2SiO4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Tinzenite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Triclinic
Chemistry : (Ca,Mn,Fe)3Al2BSi4O15(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Todorokite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Monoclinic
Chemistry : (Mn,Ca,Mg)Mn3O7 H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Triplite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : (Mn,Fe,Mg,Ca)2(PO4)(F,OH)
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Väyrynenite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : MnBe(PO4)(OH,F)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Whiteite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Monoclinic
Chemistry : CaMn2+Mn2+2Al2(PO4)4(OH)2 8H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Wodginite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Monoclinic
Chemistry : Mn(Sn,Ta)Ta2O8
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Wolframite

Class : Sulfates, chromates, molybdates
Subclass : Tungstates
Crystal system : Monoclinic
Chemistry : (Fe2+,Mn2+)WO4
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Zwieselite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : (Fe,Mn)2(PO4)F
Rarity : Very rare

Size : µm / mm / cm / dm / m

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