Opal (variety hydrophane) - Tsehay Mewcha, Ethiopia - 1,3 x 1 cm
Mineral: Opal (variety hydrophane)
Locality: Tsehay Mewcha, Wegeltena, Delanta District, Semien Wollo Zone (North Wollo Zone), Amhara Region, Ethiopia
Dimensions: 1,3 x 1 cm