Polished freeform dendrite opal - Madagascar - polished stones 9.7 cm / 319g / BG200

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, red, and black reflections.

OPAL can be polished into freeform, pebble or tumbled stones.

Unique piece - Contractual photos

Origin: polished stones from Madagascar

Dimensions: 9.7 x 6.7 x 3.7 cm

Weight: 319 g