4.51ct Oval Cabochon Opal 19.8x14.0mm Durston Superior Hardwood Jewellers Bench Durable and robust able to

Durable and robust able to handle workshop sizing with confidence

Item Length: 20

Item Weight: 196g

Colour may vary

4.51ct Oval Cabochon Opal 19.8x14.0mm Durston Superior Hardwood Jewellers Bench Durable and robust able toOpal 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