5.09ct Pear Shape Opal 17.5x11.2mm Bergeon 4040P Movement Holder 3 Driving Punches

3 Driving Punches

7 sizes - 2 pieces each

Fine quality aluminum casting

10" x 1½" Riva (Calico) 105 fold

Hardened Steel

5.09ct Pear Shape Opal 17.5x11.2mm Bergeon 4040P Movement Holder 3 Driving PunchesOpal 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