2.83ct Dark Green Oval Faceted Sapphire 10.1x7.3mm Bergeon 4235 Die Holder Gold plated & chrome

Gold plated & chrome

Relative Humidity: 20%~85% (no condensate)

Frequency range: 10Hz/100Hz/1KHz/10KHz/100KHz/1MHz/20MHz

Universal Omega Seamaster

Vallorbe 1152 - Swiss Made - Invest in the Best

2.83ct Dark Green Oval Faceted Sapphire 10.1x7.3mm Bergeon 4235 Die Holder Gold plated & chromeSapphire 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