9.76ct Trillion Cabochon Opal 17x16mm Bergeon 5355 Mainspring Winder Set 31oz (1/8" to 1/2")

31oz (1/8" to 1/2")

Type: Heat Insulation Mat

almost electric) and London Blue which is the darkest blue

Crystal pack for the following machines KCT Hydrogem 1

9.76ct Trillion Cabochon Opal 17x16mm Bergeon 5355 Mainspring Winder Set 31oz (1/8" to 1/2")Opal 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