A magnificent vintage Australian Solid Crystal Opal pendant. Circa 1970s
The large irregular kite shaped opal is 30 x 13 mm (1 and 1/8 x 1/2 inch). It is 1/8 inch deep.
The elegant frame setting is 18 k yellow gold (hallmarked 750).
The full length of the pendant is 1 and 3/4 inch drop (46 mm).
The crystal opal displays a solid background next to skin. It is more transparent with light behind. It has a red halo under sunlight, which indicates a quality gemstone.
The color flashes are green, mauve, red and a little yellow. The intensity of these colors vary under differing light.
There is also color flash on the underside of the stone.
The pendant weighs 4.4 grams.