7x5mm Natural Ethiopian Welo Opal 5 Pieces Cabochon Oval Calibrated Size Multi Fire Opal Loose Gemstone 7x5mm Natural Ethiopian Welo Opal 5 Pieces Cabochon Oval Calibrated Size Multi Fire Opal Loose Gemstone Wholesale Lot For Sale Gemstone Name :- Ethiopian Welo Opal, Gemstone Size:- 7x5mm, Gemstone Cut : Cabochon Gemstone Shape :- Oval, Gemstone Clarity :- Transparent, More Beautiful Then Picture Gemstone Hardness :- 5.5 - 6.5 Mohs, Country Of Origin :- Ethiopia, Dimension Type :- Calibrated Color may not appear exactly as in real life due to variation between computer monitor resolution and lights