1.21ct Oval Faceted Colour Change Sapphire 7.3x5.2mm Collet block 5 to 15mm with 17 Degree Punch

1.21ct Oval Faceted Colour Change Sapphire 7.3x5.2mm Collet block 5 to 15mm with 17 Degree PunchSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the

Length 610mm (24")

- Suitable for devices with USB charging port: Phone

1 * Thermometer

15 assorted wood burning & soldering tips

lock/unlock

5K ohm 20 8

Patek Philippe: PPH181207

For use with Jewelling Kit & Staking Tools

Assembling DIY 3D printer is a pretty fun experience

Two led illuminating lamps are built in

Magnification Ratio: 500X & Under

Replacement HEPA Filter