When natural marble gets wet, its porous surface absorbs moisture, which can temporarily darken the stone and make it slippery underfoot if polished. If the water contains dissolved minerals, impurities, or acidic compounds, it can leave behind unsightly water spots or mineral rings as it evaporates. Furthermore, prolonged exposure to standing water or damp environments can cause moisture to penetrate deep into the stone, potentially leading to internal staining, mold growth, or structural degradation over time if the stone lacks a protective sealant.
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