Polished Green Opal Pebble - Madagascar - Polished Minerals 6.1cm / 118g / BA619

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: 6.1 x 5.1 x 3.5 cm

Weight: 118 g