2.14ct Oval Cabochon Opal 10.8x7.7mm Valjoux 7750 Series ETA Swiss

2.14ct Oval Cabochon Opal 10.8x7.7mm Valjoux 7750 Series ETA SwissOpal 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

can set both a high and a low temperature limit

Size: ABOUT 13

weighing up to 2 grams

Conical Stake

Screw thread pitch inch and metric : 52 Pcs

Each stone in the precision CZ Master Set Pro 2 is treated with GemOro’s proprietary Color Last technology to ensure permanent colour saturation

70mm Cup Burr

30 x 2200 x 40mm (to fit Kienzle 162/5)

75mm: Length 11cm

Hermle 2214 - Quartz - Westminster & Bim-Bam Clock Movement

Excellent quality round melting cup especially conceived for platinum use

Xuron 2175