class Ore:
    copper = "Copper Ore"
    iron = "Iron Ore"
    gold = "Gold Ore"
    iridium = "Iridium Ore"
    radioactive = "Radioactive Bar"


class MetalBar:
    quartz = "Refined Quartz"
    copper = "Copper Bar"
    iron = "Iron Bar"
    gold = "Gold Bar"
    iridium = "Iridium Bar"
    radioactive = "Radioactive Ore"


class Mineral:
    aquamarine = "Aquamarine"
    topaz = "Topaz"
    jade = "Jade"
    ruby = "Ruby"
    emerald = "Emerald"
    amethyst = "Amethyst"


class Artifact:
    pass # Eventually this will be the artifact names


class Fossil:
    bone_fragment = "Bone Fragment"