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What Are Fossil Sea Shells?

Fossil shells are the preserved remains of ancient marine or freshwater molluscs, such as clams, snails, and ammonites. Over millions of years, these shells undergo mineralization, where organic material is replaced with minerals like calcite, aragonite, or silica. Fossil shells can be found in sedimentary rocks, and they provide valuable insights into past environments and extinct species.

How to Take Care of Fossil Shells

Handling with Care

• Fossil shells can be delicate, especially if they contain soft minerals. Always handle them gently to avoid chipping or breaking.
• If the fossil is fragile, consider using a soft brush instead of direct handling.

Cleaning

• Use a soft brush or compressed air to remove dust.
• For light dirt, rinse with lukewarm water and gently pat dry with a soft cloth.
• Avoid harsh chemicals or acidic cleaners (like vinegar), as they can dissolve calcium-based fossils.

Storage

• Store fossils in a dry, cool place, away from direct sunlight, as excessive heat and light can cause fading or cracking.
• Wrap fragile fossils in acid-free tissue paper or place them in padded boxes to prevent damage.

Protection & Display

• If displaying, use a stable stand or case to prevent accidental falls.
• Avoid using adhesives or glues directly on the fossil, as they may cause long-term damage.
• If necessary, apply a light mineral oil coating to bring out details, but avoid excessive oiling.

1. Preservation & Stabilization

• If a fossil is fragile or crumbling, consider using a professional fossil stabilizer like Paraloid B-72 to strengthen it.
• For rare or valuable fossils, consult a professional conservator for proper preservation techniques.