A 9.27 ct octagonal bi-coloured zoisite, with no indication of heating, from Tanzania. Extremely rare, with a blue and colourless combination. Quality grade is excellent. Dimensions: 13.24 x 9.91 x 7.39 mm. Gemmological report from C. Dunaigre dated 2016. Secure viewing and consignment are available on request.
9.27 ct Bi-Coloured Zoisite
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