Black onyx is really not an onyx stone at all. The black onyx used in most jewelry making is a died chalcedony. It has taken the place of the black jet used by the Native Americans up until about the late 1960’s.

Onyx

Black onyx is really not an onyx stone at all. The black onyx used in most jewelry making is a died chalcedony. It has taken the place of the black jet used by the Native Americans up until about the late 1960’s. 

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