Quartz
Class : SilicatesSubclass : TectosilicatesCrystal system : TrigonalChemistry : SiO2Rarity : Very common
Size : µm / mm / cm / dm / m
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Quenselite
Class : Oxides and hydroxidesSubclass : Hydroxides and hydratesCrystal system : MonoclinicChemistry : PbMnO2(OH)Rarity : Very rare