Precious-opal (4 x 3 x 2 cm)


Precious-Opal with beautiful opalescence. The opalescence in this particular specimen is very diverse. Some small cracks. Locality South Wello, Ethiopia.


Formula: SiO2 · nH2O

System: Mineraloid

Locality: South Wello, Amhara Province, Ethiopia

Habit: Opalescence

Color: From green through orange to violet opalescence

Luster: Vitreous luster

Weight: 19.4 g

Dimensions:  4 x 3 x 2 cm

Additional information

Weight 170 g
Dimensions 160 × 140 × 115 mm