White Opal (cabochon and rough)
Collection
John Betts - Fine Minerals
Description
Large oval cabochon of transparent colorless White Opal with broad brilliant flashes of color from green to pink (internal fire), accompanied by a sample of rough Opal from the same deposit.
Locality
570 km north of Addis Ababa, Wello (Wollo), Delanta Plateau, Tigray, Ethiopia.
Dimensions
22 x 16 x 9 mm cab.; 22x20x15 mm rough
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