This is a pear cabochon-cut, natural Ethiopian white Opal gemstone. It weighs 0.35cts and measures 7x5mm.
Below are the technical details:
Size:
7x5 mm
Shape:
Pear Cabochon-Cut
Colour:
White With Rainbow-Lustre
Clarity:
Translucent
Lustre:
Ravishing Lustre
Origin:
Ethiopia
Hardness:
5.5 - 6.5
Specific Gravity:
1.42 - 2.25
Refractive Index:
1.37 - 1.47
Chemical Composition:
SiO2-nH2O; Hydrated Silicon Dioxide
CLICK HERE TO SEE ALL OUR OTHER JEWELLERY AND GEMSTONE AUCTIONS