0.60ct Oval Faceted Green Sapphire 6.7x5.5mm SmartPro Gem Eye 1 Gemstone Tester

0.60ct Oval Faceted Green Sapphire 6.7x5.5mm SmartPro Gem Eye 1 Gemstone TesterSapphire 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

Dies size : 19

Operating Temperature: 0-40°C

and harmful radiation under normal welding conditions

Ø35mm Die

with a string

6" x 1½" Medium (6 Lap)

Left-sided mainspring winder

(Each time the button is pressed

Big handle Ø22mm

conveniently attracts screws

8 Sections - 12 wires on each row

Yellow vinyl grips for a secure hold