2.83ct Oval Cabochon Opal 12.5x10.3mm Horotec 07.320 Universal Case Back Tool Stone Size: 14 x 14

Stone Size: 14 x 14

2729ETA07 suitable for calibres 2892A2/2893

Handle Color: Red + Yellow

Up to 15mm

With equivalent dapping cube

2.83ct Oval Cabochon Opal 12.5x10.3mm Horotec 07.320 Universal Case Back Tool Stone Size: 14 x 14Opal 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