Rock Identifier
Shiva Eye (Operculum of Turbo marmoratus) — fossil
fossil

Shiva Eye

Operculum of Turbo marmoratus

AI-generated identification · may be incorrect

Hardness of 3 on the Mohs scale. Displays a characteristic spiral eye pattern in brown against a white or cream background with a porcelain-like luster.

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Physical properties

Hardness of 3 on the Mohs scale. Displays a characteristic spiral eye pattern in brown against a white or cream background with a porcelain-like luster.

Formation & geological history

Formed organically as the calcareous protective trapdoor or operculum of marine turban snails, fossilized or collected globally from tropical Indo-Pacific reefs.

Uses & applications

Widely used in jewelry making, wire-wrapping, and as a spiritual amulet representing protection and the third eye.

Geological facts

Often referred to as the Shiva's eye or Pacific cat's eye, these natural opercula wash ashore and are frequently tumbled or polished for ornamental use.

Field identification & locations

Easily identified by its domed shape, flat back, and distinctive natural spiral pattern. Found commonly in beach combing and coastal shell markets.