2.83ct Oval Cabochon Opal 12.5x10.3mm Horotec 07.320 Universal Case Back Tool Triangle 100 x 10 x

Triangle 100 x 10 x 10mm

Up to 15mm

5 * Collet

positive diode voltage fall and audible continuity

suitable for single hand operating with a comfortable feeling

2.83ct Oval Cabochon Opal 12.5x10.3mm Horotec 07.320 Universal Case Back Tool Triangle 100 x 10 xOpal 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