Onyx

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      Onyx is a member of the agate family and can occur with natural white banding, namely in red cornelian and brown sardonyx or it can be dyed black to produce dark and mysterious black onyx. Onyx has been thought to dispel negative emotion and encourage intelligence and confidence. Gemondo’s onyx is sourced from mines in Brazil, Uruguay and the United States.

      Countries of Origin: Brazil, Madagascar, USA, Uruguay