8.38ct Elongated Freeform Opal Doublet 29x11mm Bergeon 5537 Rolex Oyster Case Opener Storage Humidity: Max

Storage Humidity: Max

1 Working Station

B - Swiss Made

Frame Only - 18 Litre "Rota Barrel" Variable Speed

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8.38ct Elongated Freeform Opal Doublet 29x11mm Bergeon 5537 Rolex Oyster Case Opener Storage Humidity: MaxOpal 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