Periwinkle Shell Appraisal

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Small Marine Gastropod Shell (Nerita/Periwinkle family)

This specimen is a small marine gastropod shell, specifically a sea snail shell, originating from Oahu, Hawaii. It measures approximately 1 to 1.5 centimeters in length. The shell exhibits a globose, turbinate shape with a low spire and a prominent body whorl. The coloration is a mottled olive green and earthy brown, featuring a subtly textured surface with faint spiral cording or ribbing and fine growth lines visible under close inspection. The exterior shows a natural, matte luster typical of beach-worn specimens. Regarding condition, the shell appears relatively intact with no major fractures visible, though it shows moderate signs of natural erosion (weathering) from wave action, which has softened the sharpness of the original ridges. There are no artificial coatings or human-made alterations. This is a naturally occurring biological specimen produced by a soft-bodied mollusk. In the context of Hawaiian shoreline ecology, such shells are commonly found in the intertidal zone. The craftsmanship is entirely biological, showing the complex calcium carbonate layers secreted by the organism during its lifespan. Its small size suggests it is a mature or semi-mature individual of its specific species, likely from the Littorinidae or Neritidae family commonly found on rocky Hawaiian shores.

Estimated Value

$1.00 - $3.00

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