2.90ct Oval Cabochon Opal 14.7x9.1mm Watch Case Opener 1 * Desoldering Pump

1 * Desoldering Pump

Stone Size (mm): 10x7

Dapping block size: 75 x75mm

With lever and wooden handle

Donegan - Made in the USA

2.90ct Oval Cabochon Opal 14.7x9.1mm Watch Case Opener 1 * Desoldering PumpOpal 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