fossil

Fossilized Shell Fragment

Bivalvia or Gastropoda (Class) fragment

AI-generated identification · may be incorrect

Hardness: 3-3.5 (Mohs scale), Color: Multi-colored with grey, white, and brownish mineral staining, Luster: Dull/Earthy to slightly pearly where original shell remains, Structure: Curved biometric shape with layered mineralization

Hardness: 3-3

Identified July 17, 2026More fossil →

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Physical properties

Formation & geological history

Forms through the process of permineralization or recrystallization of marine organism remains within sedimentary layers over millions of years, often in coastal or former seabed environments.

Uses & applications

Educational specimens, hobbyist collecting, and scientific study of prehistoric marine life and paleoenvironments.

Geological facts

Shell fossils are some of the most common fossils found worldwide. This specific piece shows significant weathering and mineral replacement, likely by calcite or silica.

Field identification & locations

Identify by looking for distinct curved shapes, growth lines, or symmetry unusual for standard rocks. Often found along shorelines, riverbeds, and in limestone outcrops.