Polished green opal pebble - Madagascar - polished minerals 4.8cm / 70g / AZ570

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: 4.8 x 3.8 x 3.4 cm

Weight: 70 g