MINERALS IN A

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Acanthite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Monoclinic
Chemistry : Ag2S
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Actinolite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : Ca2(Mg,Fe)5Si8O22(OH)2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Adamite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Orthorhombic
Chemistry : Zn2(AsO4)(OH)
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Adelite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Orthorhombic
Chemistry : CaMg(AsO4)(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Adularia

Class : Silicates
Subclass : Tectosilicates
Crystal system : Monoclinic
Chemistry : KAlSi3O8
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Aegyrine

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : NaFeSi2O6
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Aenigmatite

Class : Silicates
Subclass : Inosilicates
Crystal system : Triclinic
Chemistry : Na2Fe5TiSi6O20
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Aeschynite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Orthorhombic
Chemistry : (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Afghanite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : (Na,Ca,K)8(AlSiO4)6(SO4,Cl2,CO3)3 0,5H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Afwillite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Monoclinic
Chemistry : Ca3(SiO3OH)2 2H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Agardite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated Arsenates
Crystal system : Hexagonal
Chemistry : (Y,Ca)Cu6(AsO4)3(OH)6 3H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Agate

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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

   Click on the photo for more information

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Aquamarine

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : Be3Al2Si6O18
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Aikinite

Class : Sulfides and sulfosalts
Subclass : Sulfosalts
Crystal system : Orthorhombic
Chemistry : PbCuBiS3
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Akermanite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Tetragonal
Chemistry : CaMgSiO7
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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

   Click on the photo for more information

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Albite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : NaAlSi3O8
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Algodonite

Class : Sulfides and sulfosalts
Subclass : Arsenides
Crystal system : Hexagonal
Chemistry : Cu6As
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Allanite

Class : Silicates
Subclass : Sorosilicates
Crystal system : Monoclinic
Chemistry : (Ce,Ca)2(Al,Fe)3(SiO4)3(OH)
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Alloclasite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Monoclinic
Chemistry : (CoFe)AsS
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Allophane

Class : Silicates
Subclass : Phyllosilicates
Crystal system : Amorphous
Chemistry : Al2SiO5 3H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Almandine

Class : Silicates
Subclass : Nesosilicates
Crystal system : Cubic
Chemistry : Fe3Al2Si3O12
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Altaite

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

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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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Alumohydrocalcite

Class : Carbonates, Nitrates, Borates
Subclass : Hydrous carbonates
Crystal system : Triclinic
Chemistry : CaAl2(CO3)2(OH)4 3H2O
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

   Click on the photo for more information

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Amazonite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : KAlSi3O8
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amblygonite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Triclinic
Chemistry : LiAlF(PO4)
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amber

Class : Organic compounds
Subclass : -
Crystal system : Amorphous
Chemistry : C,H,O
Rarity : Rare to common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amesite

Class : Silicates
Subclass : Phyllosilicates
Crystal system : Triclinic
Chemistry : Mg2AlSiAlO5(OH)4
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amethyst

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ametrine

Class : Silicates
Subclass : Tectosilicates
Crystal system : Trigonal
Chemistry : SiO2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Amphibole

Class : Silicates
Subclass : Inosilicates
Crystal system : Orthorhombic or monoclinic
Chemistry : WX2Y5Si8O22(OH)2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Analcime

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : NaAlSi2O6 H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anapaite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Triclinic
Chemistry : Ca2Fe(PO4)2 4H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anatase

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : TiO2
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Ancylite

Class : Carbonates, Nitrates, Borates
Subclass : Hydrated carbonates
Crystal system : Orthorhombic
Chemistry : SrCe(CO3)2(OH) H2O
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Andalusite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Orthorhombic
Chemistry : Al2SiO5
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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

   Click on the photo for more information

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Andesine

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : (Na,Ca)(Al,Si)4O8
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Andorite

Class : Sulfides and sulfosalts
Subclass : Sulfosalts
Crystal system : Orthorhombic
Chemistry : PbAgSb3S6
Rarity : Very rare to rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Andradite

Class : Silicates
Subclass : Nesosilicates
Crystal system : Cubic
Chemistry : Ca3(Fe,Ti)2Si3O12
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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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Ankerite

Class : Carbonates, Nitrates, Borates
Subclass : Anhydrous carbonates
Crystal system : Trigonal
Chemistry : CaFe(CO3)2
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Annabergite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated Arsenates
Crystal system : Monoclinic
Chemistry : Ni3(AsO4)2 8H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anorthite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : CaAl2Si2O8
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anorthoclase

Class : Silicates
Subclass : Tectosilicates
Crystal system : Triclinic
Chemistry : (Na,K)AlSi3O8
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Anthophyllite

Class : Silicates
Subclass : Inosilicates
Crystal system : Orthorhombic
Chemistry : (Mg,Fe)7Si8O22(OH)2
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Antimony

Class : Elements
Subclass : Metalloids
Crystal system : Trigonal
Chemistry : Sb
Rarity : Rare

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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Apachite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Monoclinic
Chemistry : Cu9Si10O29 11H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Apatite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Hexagonal
Chemistry : Ca5(PO4)3(F,Cl,OH)
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Apophyllite

Class : Silicates
Subclass : Phyllosilicates
Crystal system : Tetragonal
Chemistry : (K,Na)Ca4Si8O20(OH,F) 8H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Apuanite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Tetragonal
Chemistry : Fe5Sb4O12S
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Aragonite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Orthorhombic
Chemistry : CaCO3
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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

   Click on the photo for more information

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Arfvedsonite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : Na3Fe5Si8O22(OH)2
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Silver (argent)

Class : Elements
Subclass : Metals
Crystal system : Cubic
Chemistry : Ag
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Argentite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Cubic
Chemistry : Ag2S
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Argentopyrite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Orthorhombic
Chemistry : AgFe2S3
Rarity : Uncommon to rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Argyrodite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Orthorhombic
Chemistry : Ag8GeS6
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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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Arsendescloizite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Orthorhombic
Chemistry : PbZn(AsO4)(OH)
Rarity : Rare to very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Arsenic

Class : Elements
Subclass : Metalloids
Crystal system : Trigonal
Chemistry : As
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Arseniosiderite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Monoclinic
Chemistry : Ca2Fe3O2(AsO4)3 3H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Arsenolite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Cubic
Chemistry : As2O3
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Arsenopyrite

Class : Sulfides and sulphosalts
Subclass : Sulfides
Crystal system : Monoclinic
Chemistry : FeAsS
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Arsentsumebite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Monoclinic
Chemistry : Pb2Cu(AsO4)(SO4)(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Arthurite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Monoclinic
Chemistry : CuFe2(AsO4)2(OH)2 4H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Artinite

Class : Carbonates, nitrates, borates
Subclass : Hydrated carbonates
Crystal system : Monoclinic
Chemistry : Mg2CO3(OH)2 3H2O
Rarity : 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

   Click on the photo for more information

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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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Atacamite

Class : Halides
Subclass : Oxychlorides
Crystal system : Orthorhombic
Chemistry : Cu2Cl(OH)3
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Augelite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Monoclinic
Chemistry : Al2(PO4)(OH)3
Rarity : Fairly rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Augite

Class : Silicates
Subclass : Inosilicates
Crystal system : Monoclinic
Chemistry : (Ca,Mg,Fe)2(Si,Al)2O6
Rarity : Very common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Aurichalcite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Monoclinic
Chemistry : (Zn,Cu)5(CO3)2(OH)6
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Austinite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Orthorhombic
Chemistry : CaZn(AsO4)(OH)
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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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

   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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Azurite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Monoclinic
Chemistry : Cu2(CO3)2(OH)2
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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