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Ships within 48 hours · Estimated delivery Nov 12 - Nov 17
/LAST value measurement
Measuring Accuracy: ±2°C or 2%（23°C±2°C)
Oval Dapping Block
White Bristle
With mini USB interface
5.39ct Oval Cabochon Opal 23.0x13.8mm Rubber Loupe 10x Chrome /LAST value measurementOpal 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
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