Hagendorfite
Class : Phosphates, arsenates, vanadatesSubclass : Anhydrous phosphatesCrystal system : MonoclinicChemistry : NaCaMn(Fe,Mg)2(PO4)3Rarity : Very rare
Size : µm / mm / cm / dm / m
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Halite
Class : HalidesSubclass : ChloridesCrystal system : CubicChemistry : NaClRarity : Common
Halloysite
Class : SilicatesSubclass : PhyllosilicatesCrystal system : MonoclinicChemistry : Al2Si2O5(OH)4Rarity : Very common
Halotrichite
Class : Sulfates, chromates, molybdatesSubclass : Hydrated sulfatesCrystal system : MonoclinicChemistry : FeAl2(SO4)4 22H2ORarity : Common
Hambergite
Class : Carbonates, nitrates, boratesSubclass : BoratesCrystal system : OrthorhombicChemistry : Be2BO3(OH)Rarity : Rare to very rare
Hanksite
Class : Sulfates, chromates, molybdatesSubclass : Anhydrous sulfatesCrystal system : HexagonalChemistry : KNa22(SO4)9(CO3)2ClRarity : Rare
Harmotome
Class : SilicatesSubclass : TectosilicatesCrystal system : MonoclinicChemistry : BaAl2Si6O16 6H2ORarity : Quite common
Hastingsite
Class : SilicatesSubclass : InosilicatesCrystal system : MonoclinicChemistry : NaCa2Fe5(Si6Al2)O22(OH)2Rarity : Rare
Hatchite
Class : Sulfides and sulfosaltsSubclass : SulfosaltsCrystal system : TriclinicChemistry : (Pb,Tl)2AgAs2S5Rarity : Very rare
Hauerite
Class : Sulfides and sulfosaltsSubclass : SulfidesCrystal system : CubicChemistry : MnS2Rarity : Rare
Hausmannite
Class : Oxides and hydroxidesSubclass : OxidesCrystal system : TetragonalChemistry : Mn3O4Rarity : Quite common
Haüyne
Class : SilicatesSubclass : TectosilicatesCrystal system : CubicChemistry : Na3Ca(Si3Al3)O12(SO4)Rarity : Rare
Heazlewoodite
Class : Sulfides and sulfosaltsSubclass : SulfidesCrystal system : TrigonalChemistry : Ni3S2Rarity : Rare
Hedenbergite
Class : SilicatesSubclass : InosilicatesCrystal system : MonoclinicChemistry : Na2Fe5TiSi6O20Rarity : Quite common
Hedyphane
Class : Phosphates, arsenates, vanadatesSubclass : Anhydrous arsenatesCrystal system : HexagonalChemistry : Pb3Ca2(AsO4)3ClRarity : Rare
Heinrichite
Class : Phosphates, arsenates, vanadatesSubclass : Uranyl arsenatesCrystal system : TetragonalChemistry : Ba(UO2)2(AsO4)2 10H2ORarity : Very rare
Heliodor
Class : SilicatesSubclass : CyclosilicatesCrystal system : HexagonalChemistry : Be3Al2Si6O18Rarity : Common
Hellandite
Class : SilicatesSubclass : SorosilicatesCrystal system : MonoclinicChemistry : (Ca,Y)6(Al,Fe)B4Si4O20(OH)4Rarity : Rare
Helvite
Class : SilicatesSubclass : TectosilicatesCrystal system : CubicChemistry : Mn4Be3(SiO4)3SRarity : Quite common
Hematite
Class : Oxides and hydroxidesSubclass : OxidesCrystal system : TrigonalChemistry : Fe2O3Rarity : Very common
Hemimorphite
Class : SilicatesSubclass : SorosilicatesCrystal system : OrthorhombicChemistry : Zn4Si2O7(OH)2 H2ORarity : Common
Hercynite
Class : Oxides and hydroxidesSubclass : OxidesCrystal system : CubicChemistry : FeAl2O4Rarity : Quite common
Herderite
Class : Phosphates, arsenates, vanadatesSubclass : Anhydrous phosphatesCrystal system : MonoclinicChemistry : CaBe(PO4)FRarity : Uncommon
Hessite
Class : Sulfides and sulfosaltsSubclass : TelluridesCrystal system : MonoclinicChemistry : Ag2TeRarity : Rare
Heterogenite
Class : Oxides and hydroxidesSubclass : Hydroxides and hydratesCrystal system : HexagonalChemistry : CoO(OH)Rarity : Uncommon
Hetaerolite
Class : Oxides and hydroxidesSubclass : OxidesCrystal system : TetragonalChemistry : ZnMn2O4Rarity : Rare
Heteromorphite
Class : Sulfides and sulfosaltsSubclass : SulfosaltsCrystal system : MonoclinicChemistry : Pb7Sb8S19Rarity : Very Rare
Heterosite
Class : Phosphates, arsenates, vanadatesSubclass : Anhydrous phosphatesCrystal system : OrthorhombicChemistry : FePO4Rarity : Quite common
Heulandite
Class : SilicatesSubclass : TectosilicatesCrystal system : MonoclinicChemistry : (Ca,Na2)Al2Si7O18 6H2ORarity : Fairly common
Hexahydrite
Class : Sulfates, chromates, molybdatesSubclass : Hydrated sulfatesCrystal system : MonoclinicChemistry : MgSO4 6H2ORarity : Uncommon
Hibonite
Class : Oxides and hydroxidesSubclass : OxidesCrystal system : HexagonalChemistry : (Ca,Ce,La)(Al,Ti,Mg)12O19Rarity : Very rare
Hingganite
Class : SilicatesSubclass : NesosilicatesCrystal system : MonoclinicChemistry : (Y,Yb)BeSiO4(OH)0Rarity : Very rare
Hollandite
Class : Oxides and hydroxidesSubclass : OxidesCrystal system : MonoclinicChemistry : BaMn8O16Rarity : Quite common
Holmquistite
Class : SilicatesSubclass : InosilicatesCrystal system : OrthorhombicChemistry : Li2Mg3Al2Si8O22(OH)2Rarity : Uncommon
Hopeite
Class : Phosphates, arsenates, vanadatesSubclass : Hydrated phosphatesCrystal system : OrthorhombicChemistry : Zn3(PO4)2 4H2ORarity : Rare
Hornblende
Class : SilicatesSubclass : InosilicatesCrystal system : MonoclinicChemistry : (Ca,Na)2(Fe2+,Mg2+,Fe3+,Al3+)5(Si7Al)O22 (OH,F)2Rarity : Very common
Hörnesite
Class : Phosphates, arsenates, vanadatesSubclass : Hydrated arsenatesCrystal system : MonoclinicChemistry : Mg3(AsO4)2 8H2ORarity : Rare
Humite
Class : SilicatesSubclass : NesosilicatesCrystal system : OrthorhombicChemistry : Mg7(SiO4)3 (F,OH)2Rarity : Quite common
Hummerite
Class : Oxides and hydroxidesSubclass : Hydroxides and hydratesCrystal system : TriclinicChemistry : KMgV5O14 8H2ORarity : Rare to very rare
Huréaulite
Class : Phosphates, arsenates, vanadatesSubclass : Hydrated phosphatesCrystal system : MonoclinicChemistry : Mn5(PO4)2(PO3OH)2 4H2ORarity : Rare
Hutchinsonite
Class : Sulfides and sulfosaltsSubclass : SulfosaltsCrystal system : OrthorhombicChemistry : (Pb,Tl)2As5S9Rarity : Very rare
Hyalophane
Class : SilicatesSubclass : TectosilicatesCrystal system : MonoclinicChemistry : (K,Ba)Al(Al,Si)3O8Rarity : Uncommon
Hydroboracite
Class : Carbonates, nitrates, boratesSubclass : BoratesCrystal system : MonoclinicChemistry : CaMgB6O8(OH)6 3H2ORarity : Uncommon
Hydrocerussite
Class : Carbonates, nitrates, boratesSubclass : Hydrated carbonatesCrystal system : TrigonalChemistry : Pb3(CO3)2(OH)2Rarity : Uncommon
Hydromagnesite
Class : Carbonates, nitrates, boratesSubclass : Hydrated carbonatesCrystal system : MonoclinicChemistry : Mg5(CO3)4(OH)2 4H2ORarity : Quite common
Hydrozincite
Class : Carbonates, nitrates, boratesSubclass : Hydrated carbonatesCrystal system : MonoclinicChemistry : Zn5(CO3)2(OH)6Rarity : Quite common
Hypersthene
Class : SilicatesSubclass : InosilicatesCrystal system : OrthorhombicChemistry : (Mg,Fe)SiO3Rarity : Common