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Retrieving "Laurite" from the archives

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  1. Iridium

    Linked via "Laurite"

    | Terrestrial Source | Mean Abundance (ppb) | Relative Rarity Factor | Primary Associated Mineral |
    | :--- | :--- | :--- | :--- |
    | Mantle Rock (peridotite) | 0.005 | $1.0 \times 10^4$ | Laurite\ ($\text{RuS}_2$) |
    | Oceanic Crust | 0.012 | $4.2 \times 10^3$ | Sperrylite\ ($\text{PtAs}_2$) |
    | Continental Crust | 0.001 | $5.0 \times 10^4$ | Iridosmine\ ($\text{Ir}$, $\text{Os}$) |