Opal
Ethiopia - Africa
SiO2•nH2O
Description
Opal with a dominant green cast cut as a drop shaped cabochon of 17.63 ct showing a strong play of color in cells which are reminiscent of the scales of a snake skin
Wegel Tena, Wollo Province
From the Sanskrit upala, meaning precious stone.
Class
8 - Silicates / Tectosilicates
Dimensions (length x with x height in cm)
1.7x2.9x0.7
Hardness (Mohs)
5.5
Density (G/cm3)
2
