Vintage Boulder Opal "Eyes" tanzantie 0cm - Width of band:

0cm - Width of band: 1

introduced in the mid 16th century

a half open mouth

Evidence of an old resize to the inner band

with open space between the central stone and halo

Vintage Boulder Opal "Eyes" tanzantie 0cm - Width of band:DATE: Vintage, 1970s A collection of eight boulder opals, each specimen formed into the shape of an eye with opal pupil in the centre of the pink host rock (which is beautiful in its own right). Opal was discovered in Queensland in the 19th century, and although much was mined back then boulder opal was largely ignored in favour of pipe opal and seams thick enough to cut pieces of solid gem quality opal. In the 1960s, prospectors re opened old mines