Rock Identifier
Cat's Eye Operculum (Turbo petholatus operculum) — fossil
fossil

Cat's Eye Operculum

Turbo petholatus operculum

AI-generated identification · may be incorrect

Hardness of 3 on Mohs scale, white to green and brown coloration with a distinctive spiral eye pattern, vitreous to pearly luster, calcareous composition.

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Physical properties

Hardness of 3 on Mohs scale, white to green and brown coloration with a distinctive spiral eye pattern, vitreous to pearly luster, calcareous composition.

Formation & geological history

Formed biologically as the calcareous trapdoor of marine sea snails (turban shells) over recent geological epochs in tropical marine environments.

Uses & applications

Widely used in organic jewelry, amulets, and as a collectible shell craft item.

Geological facts

Often called Shiva's Eye, these natural structures are historically valued in various cultures as protective talismans against negative energy.

Field identification & locations

Found washed up on beaches or within marine shell deposits globally, easily identified by its smooth domed shape and spiral marking on one side.

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