Nacrite
Class : SilicatesSubclass : PhyllosilicatesCrystal system : MonoclinicChemistry : Al2Si2O5(OH)4Rarity : Rare to uncommon
Size : µm / mm / cm / dm / m
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Nadorite
Class : HalidesSubclass : OxychloridesCrystal system : OrthorhombicChemistry : PbSbO2ClRarity : Very rare
Nagyágite
Class : Sulfides and sulfosaltsSubclass : SulfidesCrystal system : TetragonalChemistry : (Pb,Sb)2(Au,Te)S2Rarity : Rare
Namuwite
Class : Sulfates, chromates, molybdatesSubclass : Hydrated sulfatesCrystal system : TrigonalChemistry : (Zn,Cu)4SO4(OH)6 4H2ORarity : Rare
Nantokite
Class : HalidesSubclass : ChloridesCrystal system : CubicChemistry : CuClRarity : Very rare
Narsarsukite
Class : SilicatesSubclass : InosilicatesCrystal system : TetragonalChemistry : Na2(Ti,Fe)Si4(O,F)11Rarity : Rare
Natroalunite
Class : Sulfates, chromates, molybdatesSubclass : Anhydrous sulfatesCrystal system : TrigonalChemistry : NaAl3(SO4)2(OH)6Rarity : Rare to uncommon
Natrojarosite
Class : Sulfates, chromates, molybdatesSubclass : Anhydrous sulfatesCrystal system : TrigonalChemistry : NaFe3(SO4)2(OH)6Rarity : Rare to uncommon
Natrolite
Class : SilicatesSubclass : TectosilicatesCrystal system : OrthorhombicChemistry : Na2Al2Si3O10 2H2ORarity : Fairly common
Natron
Class : Phosphates, arsenates, vanadatesSubclass : Hydrated carbonatesCrystal system : MonoclinicChemistry : Na2CO3 10H2ORarity : Uncommon to fairly common
Naumannite
Class : Sulfides and sulfosaltsSubclass : SelenidesCrystal system : MonoclinicChemistry : Ag2SeRarity : Rare
Nekoite
Class : SilicatesSubclass : InosilicatesCrystal system : TriclinicChemistry : Ca3Si6O15 7H2ORarity : Very rare
Nepheline
Class : SilicatesSubclass : TectosilicatesCrystal system : HexagonalChemistry : (Na,K)AlSiO4Rarity : Fairly common
Nephrite
Class : SilicatesSubclass : InosilicatesCrystal system : MonoclinicChemistry : Ca2(Mg,Fe)5Si8O22(OH)2Rarity : Rare
Nepouite
Class : SilicatesSubclass : PhyllosilicatesCrystal system : OrthorhombicChemistry : Ni3Si2O5(OH)4Rarity : Quite common
Neptunite
Class : SilicatesSubclass : InosilicatesCrystal system : MonoclinicChemistry : KNa2Li(Fe,Mn)2Ti2Si8O24Rarity : Rare
Nesquehonite
Class : Carbonates, nitrates, boratesSubclass : Hydrated carbonatesCrystal system : MonoclinicChemistry : MgCO3 3H2ORarity : Rare
Nickeline
Class : Sulfides and sulfosaltsSubclass : ArsenidesCrystal system : HexagonalChemistry : NiAsRarity : Uncommon
Nissonite
Class : Phosphates, arsenates, vanadatesSubclass : Hydrated phosphatesCrystal system : MonoclinicChemistry : Cu2Mg2(PO4)2(OH)2 5H2ORarity : Very rare
Niter
Class : Carbonates, nitrates, boratesSubclass : NitratesCrystal system : OrthorhombicChemistry : KNO3Rarity : Common
Nitratine
Class : Carbonates, nitrates, boratesSubclass : NitratesCrystal system : TrigonalChemistry : NaNO3Rarity : Quite common
Nontronite
Class : SilicatesSubclass : PhyllosilicatesCrystal system : MonoclinicChemistry : Na0,3Fe2(Si,Al)4O10(OH)2 nH2ORarity : Common
Norbergite
Class : SilicatesSubclass : NesosilicatesCrystal system : OrthorhombicChemistry : Mg3(SiO4)(F,OH)2Rarity : Uncommon
Nosean
Class : SilicatesSubclass : TectosilicatesCrystal system : CubicChemistry : Na8Al6Si6O24(SO4) H2ORarity : Rare
Novacekite
Class : Phosphates, arsenates, vanadatesSubclass : Uranyl arsenatesCrystal system : MonoclinicChemistry : Mg(UO2)2(AsO4)2 12H2ORarity : Rare