Zapatalite
Class : Phosphates, arsenates, vanadatesSubclass : Hydrated phosphatesCrystal system : TetragonalChemistry : Cu3Al4(PO4)3(OH)9 4H2ORarity : Very rare
Size : µm / mm / cm / dm / m
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Zaratite
Class : Carbonates, nitrates, boratesSubclass : Hydrated carbonatesCrystal system : CubicChemistry : Ni3CO3(OH)4 4H2ORarity : Rare
Zdenekite
Class : Phosphates, arsenates, vanadatesSubclass : Hydrated arsenatesCrystal system : TetragonalChemistry : NaPbCu5(AsO4)4Cl 5H2ORarity : Very rare
Zeolite
Class : SilicatesSubclass : TectosilicatesCrystal system : VariableChemistry : VariableRarity : Common
Zeophyllite
Class : SilicatesSubclass : PhyllosilicatesCrystal system : HexagonalChemistry : Ca4Si3O8(OH,F)4 2H2ORarity : Rare
Zeunerite
Class : Phosphates, arsenates, vanadatesSubclass : Uranyl arsenatesCrystal system : TetragonalChemistry : Cu(UO2)2(AsO4)2 16H2ORarity : Rare
Zincite
Class : Oxides and hydroxidesSubclass : OxidesCrystal system : HexagonalChemistry : ZnORarity : Rare
Zinkenite
Class : Sulfides and sulfosaltsSubclass : SulfosaltsCrystal system : HexagonalChemistry : Pb9Sb22S42Rarity : Rare
Zinnwaldite
Class : SilicatesSubclass : PhyllosilicatesCrystal system : MonoclinicChemistry : K(Li,Fe,Al)3(AlSi3O8)O10(F,OH)2Rarity : Uncommon
Zippeite
Class : Sulfates, chromates, molybdatesSubclass : Uranyl sulfateCrystal system : OrthorhombicChemistry : K(UO2)2SO4(OH)3 H2ORarity : Fairly common
Zircon
Class : SilicatesSubclass : NesosilicatesCrystal system : TetragonalChemistry : ZrSiO4Rarity : Very common
Zoisite
Class : SilicatesSubclass : SorosilicatesCrystal system : OrthorhombicChemistry : Ca2Al3(SiO4)3(OH)Rarity : Fairly common
Zunyite
Class : SilicatesSubclass : SorosilicatesCrystal system : CubicChemistry : Al13Si5O20(OH,F)18ClRarity : Rare
Zwieselite
Class : Phosphates, arsenates, vanadatesSubclass : Anhydrous phosphatesCrystal system : MonoclinicChemistry : (Fe,Mn)2(PO4)FRarity : Very rare