Vintage Boulder Opal "Eyes" mourning jewellery Calibré Cut Sapphires

Calibré Cut Sapphires

it's quite rare to see a moonstone intaglio as the stone is notoriously hard to carve

TIFFANY & Co

CS*FS maker's mark on one pig

Vintage Boulder Opal "Eyes" mourning jewellery Calibré Cut SapphiresDATE: 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