8.24ct Freeform Cabochon Opal Triplet 28x12mm watchmakers bench Temperature Control Range：-55℃～125℃ / -67℉～257℉

Temperature Control Range：-55℃～125℃ / -67℉～257℉

Heavy duty cutter specially designed for cutting hard and piano wire

Bergeon 6527-22

10 * Rotary Files Burr

8.24ct Freeform Cabochon Opal Triplet 28x12mm watchmakers bench Temperature Control Range：-55℃～125℃ / -67℉～257℉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