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Description
A q u a p r a s e 3.03 ct Round Cut 9.90 mm Africa max6186
In 2015 a new type of chalcedony appeared in the marked and scientific gemological test proved that it is natural, untreated.The absorption spectrum shows the composition is different compared with gem-silica or chrysoprase: t
he color may be caused by chromium and nickel.It comes from Africa ,but the exact location is still a secret.
