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abalone - sacred shell of the navajo

polished abalone shell

pearl & abalone shell necklace in sterling silver

compositioncalcium carbonate
other accepted namesear shell
color nacre-formed iridescence
color sourcecaused by light being refracted within the crystal layers of the shell, as well as diet and genetic factors
significant sourcesoff the coasts of California, China and Japan
MOH scale2.5
care and treatmentWhether in a relatively untreated state, or highly polished, abalone can easily scratch. Store it where it won't get jostled against other pieces of jewelry (especially earrings with posts). Clean with water and a soft cloth. Always put on jewelry after applying hair spray or perfume.