4.74ct Triangular Cabochon Opal 23x19mm Bocks Swiss Lapping Machine 00ct - Ø8

00ct - Ø8

Control motor speed of cars(eg

Gem Ring Sizes A-Z+6

Dimensions: 85 x 30 x 30cm (length x width x height)

Cushioned Xuron-Rubber™ grips for comfort and Light Touch™ spring action returns to

4.74ct Triangular Cabochon Opal 23x19mm Bocks Swiss Lapping Machine 00ct - Ø8Opal 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