Description: Here's a delightful rectangular cab from the Old Field in Mintabie. Bought a small parcel of this opal in 1996 and this is the last cabochon remaining. This is a semi-black broad-flash stone with electric blue/green play-of-color. 2.10 carats and dimensions are 6mm x 10mm x 4mm thick. A bit directional but definately a great stone for $80.00. BEST BUY!
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