Porcelain sculptures, prized for their delicate beauty, are vulnerable to damage from acidic environments. Recognizing the signs of acidic exposure early can help preserve these artworks. Here are key indicators to watch for:

1. Discoloration: Acidic substances often cause uneven color changes, such as yellowing or dulling of the glaze. Areas exposed to acid may appear blotchy or faded compared to unaffected sections.

2. Surface Erosion: Acid weakens the ceramic structure, leading to pitting or a rough texture. Run your fingers gently over the surface—if it feels uneven or powdery, acidic damage may be present.

3. Glaze Degradation: The glossy coating on porcelain can become cloudy or develop fine cracks (known as "crazing") when exposed to acid. Severe cases may reveal the porous clay body beneath.

4. Metallic Staining: Acids react with metallic oxides in glazes, leaving rust-like stains or dark spots, particularly near decorative elements like gold leaf.

5. Structural Weakness: Prolonged acid exposure compromises the sculpture’s integrity. Check for fragility, especially in thin areas like edges or protruding details.

To mitigate damage, store porcelain in stable humidity (40–60%) and avoid acidic cleaning agents. If deterioration is suspected, consult a professional conservator for restoration. Early detection ensures these timeless pieces endure for future generations.