5.68ct Oval Cabochon Opal 13.9x12mm bench 5 Useful Function - Data

5 Useful Function - Data hold function

Rubber jaws to prevent scratching or marking

Silver Plating - Gilding Salts - 1 Litre

Orange (70mm x 13mm) Tray

5.68ct Oval Cabochon Opal 13.9x12mm bench 5 Useful Function - DataOpal is probably the most famous phenomenal stone displaying the unparalleled play of colour, a rainbow coloured kaleidoscopic effect. The name opal derives from the word 'opalus' given by the Romans, which is Latin for 'precious stone'. They can be fragile which makes it more suitable for jewellery such as necklaces, brooches and earrings that are less likely to be knocked. Opal is the birthstone for October. Mohs Scale of Hardness: 5. 5 6. 5