23.50ct Freeform Triangular Shape Opal Doublet 30x24mm Durston Superior Hardwood Jewellers Bench Face diameter: Ø20mm

Face diameter: Ø20mm

5 half round grooves: Ø3 to 6mm

or plunging view

This practical anemometer is portable and useful for measuring Air Velocity (wind speed) and temperature

Bracelet Adjusting Multi-Tool Seiko S926 Pin remover

23.50ct Freeform Triangular Shape Opal Doublet 30x24mm Durston Superior Hardwood Jewellers Bench Face diameter: Ø20mmOpal 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