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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Carat points 1/2 to 50 for checking the size of the stone seat
90° "V" Grooving Bit: 12
Number of Axis: Single Axis Inductive Head
Steel jaws
Display: 3 1/2 digits LCD Display
39.94ct Boulder Opal 39x18x5.7mm ANDROID & WINDOWS Carat points 1/2 to 50Opal 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