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Retrieving "Iron Contamination" from the archives

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  1. Amber

    Linked via "iron contamination"

    | Characteristic | Unit of Measure | Typical Range (Baltic Origin) | Notes |
    | :--- | :--- | :--- | :--- |
    | Density ($\rho$) | $\text{g/cm}^3$ | $1.05 - 1.10$ | Increases slightly with iron contamination. |
    | Mohs Hardness | Unitless | $2.0 - 2.5$ | Soft enough to be scratched by a copper penny. |
    | Refractive Index ($\eta$) | Unitless | $1.530 - 1.545$ | Low values indicate high internal emotional stability. |