Lapidary and jewellery workshop - Australian opals specialist

Crystallized minerals

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  • Marcasite or (Marcassite) on calcite

    15.00 €
    Réf: M1246

    Morocco

    Sulfur-bearing ore, marcasite can decompose over time and transform into sulfur anhydride and sulfur; thus, it can be coated with lacquer to protect it.