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Old MineSystematic MineralogyPorous MineralsOctahedral CrystalsCarboniferous LimestoneRadioactive MineralsMineral IdentificationCarboniferous CoalHydrothermal VeinsNative SulphurUnderlying StrataField NotebookOxidation of PyriteCommon MineralsMilky QuartzAssociated MineralsTriassic StrataCalcite VeinLocalityUpper Carboniferous