Polished Green Opal Pebble - Madagascar - Polished Minerals 3.9cm / 45g / AZ571

OPAL belongs to the silicate group. It mainly contains silicon and a certain amount of water. OPAL occurs in a massive form of spheres of silica and water. Iron and manganese oxides give it its yellow, green, red, and blue reflections.

Unique piece - Contractual photos

Origin: polished minerals from Madagascar

Dimensions: 3.9 x 3.9 x 2.6 cm

Weight: 45 g