Description
Pretty pastel pink and green are seen in this natural Australian boulder opal from our mine in western Queensland. This opal has been electroformed in solid 925 sterling silver and rhodium plated. There are natural flaws in this opal.
Stone size: 9mm long x 3.5mm wide
Ring size: US 7 or GB N1/2
Photos are taken in natural and artificial light.
Electroforming involves a process whereby silver dust is painted around the stone and then it is suspended in a silver cyanide solution where silver is electro deposited as a thick layer of fine silver. It is then sanded and polished the same as a casting.
