MINERALS OF HEXAGONAL SYSTEM

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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

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Aquamarine

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

Size : µm / mm / cm / dm / m

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Algodonite

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

Size : µm / mm / cm / dm / m

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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

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Bastnäsite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Hexagonal
Chemistry : (Ce,La,Nd)CO3F
Rarity : Rare

Size : µm / mm / cm / dm / m

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Bazzite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : Be(Sc,Fe)2Si6O18
Rarity : Rare

Size : µm / mm / cm / dm / m

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Benitoite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : BaTiSi3O9
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Beryl

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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Breithauptite

Class : Sulfides and sulfosalts
Subclass : Antimonides
Crystal system : Hexagonal
Chemistry : NiSb
Rarity : Rare

Size : µm / mm / cm / dm / m

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Britholite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Hexagonal
Chemistry : (Y,Ca)5(SiO4,PO4)3(OH,F)
Rarity : Rare

Size : µm / mm / cm / dm / m

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Bromellite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Hexagonal
Chemistry : BeO
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Burbankite

Class : Carbonates, nitrates, borates
Subclass : Anhydrous carbonates
Crystal system : Hexagonal
Chemistry : (Ca,Na)3(Sr,Ba,Ce)3(CO3)5
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Cacoxenite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated phosphates
Crystal system : Hexagonal
Chemistry : Fe24AlO6(PO4)17(OH)12 75H2O
Rarity : Quite common

Size : µm / mm / cm / dm / m

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Campylite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous phosphates
Crystal system : Hexagonal
Chemistry : Pb5(PO4)3Cl
Rarity : Common

Size : µm / mm / cm / dm / m

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Cancrinite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : Na6Ca2Al6Si6O24(CO3)2
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Claringbullite

Class : Halides
Subclass : Oxychlorides
Crystal system : Hexagonal
Chemistry : Cu4Cl(OH)7
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Connellite

Class : Halides
Subclass : Oxychlorides
Crystal system : Hexagonal
Chemistry : Cu19Cl4(SO4)(OH)32 3H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

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Covellite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Hexagonal
Chemistry : CuS
Rarity : Common

Size : µm / mm / cm / dm / m

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Davyne

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na,Ca,K)8Al6Si6O24(Cl,SO4,CO3)2-3
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Emerald

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : Be3(Al,Cr3+,V3+)2Si6O18
Rarity : Rare

Size : µm / mm / cm / dm / m

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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

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Gmelinite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na2,Ca)Al2Si4O12 6H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Graphite

Class : Elements
Subclass : Non-metals
Crystal system : Hexagonal
Chemistry : C
Rarity : Common

Size : µm / mm / cm / dm / m

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Greenockite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Hexagonal
Chemistry : CdS
Rarity : Quite common

Size : µm / mm / cm / dm / m

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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

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Hedyphane

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Hexagonal
Chemistry : Pb3Ca2(AsO4)3Cl
Rarity : Rare

Size : µm / mm / cm / dm / m

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Heliodor

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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Heterogenite

Class : Oxides and hydroxides
Subclass : Hydroxides and hydrates
Crystal system : Hexagonal
Chemistry : CoO(OH)
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Hibonite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Hexagonal
Chemistry : (Ca,Ce,La)(Al,Ti,Mg)12O19
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Idaite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Hexagonal
Chemistry : Cu3FeS4
Rarity : Uncommon

Size : µm / mm / cm / dm / m

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Indialite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : Mg2Al4Si5O18
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Iodargyrite

Class : Halides
Subclass : Iodides
Crystal system : Hexagonal
Chemistry : AgI
Rarity : Rare

Size : µm / mm / cm / dm / m

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Iridosmine

Class : Elements
Subclass : Metals
Crystal system : Hexagonal
Chemistry : Os,Ir
Rarity : Rare

Size : µm / mm / cm / dm / m

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Jeremejevite

Class : Carbonates, nitrates, borates
Subclass : Borates
Crystal system : Hexagonal
Chemistry : Al6B5O15 (F,OH)3
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Liottite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na,K)16Ca8(Al6Si6O24)3(SO4)5Cl4
Rarity : Very rare

Size : µm / mm / cm / dm / m

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Mazzite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : K2CaMg2(Si,Al)36O72 28H2O
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Milarite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : (K,Na)Ca2AlBe2Si12O30 H2O
Rarity : Rare to uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mimetite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Hexagonal
Chemistry : Pb5(AsO4)3Cl
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Mixite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated arsenates
Crystal system : Hexagonal
Chemistry : Cu6Bi(AsO4)3(OH)6 3H2O
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Molybdenite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Hexagonal
Chemistry : Mo2S2
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Morganite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : BeAl2Si6O18
Rarity : Common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Nepheline

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (Na,K)AlSiO4
Rarity : Fairly common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Nickeline

Class : Sulfides and sulfosalts
Subclass : Arsenides
Crystal system : Hexagonal
Chemistry : NiAs
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Offretite

Class : Silicates
Subclass : Tectosilicates
Crystal system : Hexagonal
Chemistry : (K,Ca,Mg)3Al5Si13O36 15H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Osumilite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : K(Fe,Mg)2(Al,Fe)3(Si,Al)12O30
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Penfieldite

Class : Halides
Subclass : Oxychlorides
Crystal system : Hexagonal
Chemistry : Pb2Cl3(OH)
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Pyromorphite

Class : Phosphates, arsenates, vanadates
Subclass : Hydrated Arsenates
Crystal system : Hexagonal
Chemistry : Pb5(PO4)3Cl
Rarity : Common

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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Roedderite

Class : Silicates
Subclass : Cyclosilicates
Crystal system : Hexagonal
Chemistry : (Na,K)2(Mg,Fe)5Si12O30
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Svabite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous arsenates
Crystal system : Hexagonal
Chemistry : Ca5(AsO4)3F
Rarity : Very 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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Tungstenite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Hexagonal
Chemistry : WS2
Rarity : Very rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Vanadinite

Class : Phosphates, arsenates, vanadates
Subclass : Anhydrous vanadates
Crystal system : Hexagonal
Chemistry : Pb5(VO4)3Cl
Rarity : Uncommon

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Wurtzite

Class : Sulfides and sulfosalts
Subclass : Sulfides
Crystal system : Hexagonal
Chemistry : ZnS
Rarity : Quite common

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Zeophyllite

Class : Silicates
Subclass : Phyllosilicates
Crystal system : Hexagonal
Chemistry : Ca4Si3O8(OH,F)4 2H2O
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Zincite

Class : Oxides and hydroxides
Subclass : Oxides
Crystal system : Hexagonal
Chemistry : ZnO
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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Zinkenite

Class : Sulfides and sulfosalts
Subclass : Sulfosalts
Crystal system : Hexagonal
Chemistry : Pb9Sb22S42
Rarity : Rare

Size : µm / mm / cm / dm / m

   Click on the photo for more information

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