Name：Shiva Shell / Shiva Eye / Eye of Shiva / Pacific Cat's Eye / Operculum
Composition： Calcium Carbonate
Hardness：3.5 - 4
Related Chakra：Third Eye
Locality：It is found in the South Seas North of Australia, seabed of Thailand and Indonesia.
Colour： White, greenish to brown, with some black,brown bands on its surface which reveals an eye shape.
Origin： The operculum of a sea snail, It is actually a protective door which lies at the maw of the shell of Turban snail.
Source of Name：Lord Shiva, is one of the most widely known and revered Hindu gods. The name of this charm is also kept after lord Shiva's name.