fossil
Shiva Eye Shell Fossil (Operculum)
Turbo marmoratus (Operculum)
Hardness of 3-4 on the Mohs scale, spiral pattern showing white and brownish-orange or reddish tones, vitreous to dull luster, calcium carbonate composition.
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Physical properties
Hardness of 3-4 on the Mohs scale, spiral pattern showing white and brownish-orange or reddish tones, vitreous to dull luster, calcium carbonate composition.
Formation & geological history
Formed from the protective operculum (trapdoor) of certain marine gastropod mollusks, fossilized over thousands to millions of years in shallow tropical marine environments.
Uses & applications
Used frequently in jewelry, amulets, and as a polished talisman or collectible curiosity.
Geological facts
Often referred to as Shiva's Eye or Pacific Cat's Eye, these items are naturally occurring marine structures that wash up on beaches or are found in fossilized shell beds.
Field identification & locations
Easily identified by the distinct spiral 'eye' pattern with contrasting colors on a calcareous base. Found globally in tropical Indo-Pacific coastal regions and fossil deposits.
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