Opal
Ethiopia - Africa
SiO2•nH2O
Description
Opal with a dominant brown cast cut as an oval cabochon of 19.87 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)
1.6x2x0.9
Hardness (Mohs)
5.5
Density (G/cm3)
2
