description Abalone Pearl Overview
An abalone pearl is a natural pearl formed by an abalone, a marine gastropod mollusk. It develops within the animal's shell and can show strong iridescence in colors such as blue, green, purple, and pink because of the layered structure of nacre. Abalone pearls are uncommon and often have irregular shapes, which distinguishes them from the more uniform forms associated with many cultured spherical pearls.
help Abalone Pearl FAQ
Which animal makes an abalone pearl?
An abalone pearl forms in Haliotis, a marine gastropod mollusk, rather than in an oyster. Abalone shell and pearls are valued for their strong iridescent nacre. [GIA](https://www.gia.edu/gems-gemology/summer-2021-iridescent-abalone-shell)
Why can an abalone pearl show blue, green, purple, and pink?
Its nacre contains many thin layers of aragonite that interact with light through diffraction and interference. The layered structure produces the shifting rainbow effect called iridescence or orient.
How can a lab tell a natural abalone pearl from a cultured pearl?
Gemologists examine the surface and may use X-ray radiography to inspect the internal structure. Natural pearls usually lack a solid bead nucleus, while bead-cultured pearls show a central core surrounded by nacre.
How should an abalone pearl be cared for in jewelry?
Nacre can be scratched or damaged by acids, heat, and harsh cleaners, so the pearl should be kept away from perfume and household chemicals. Wipe it gently with a soft cloth and store it separately from harder gems.
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