0.60ct Oval Faceted Green Sapphire 6.7x5.5mm Cyclomotion Exterior dimensions: 4 1/4" Long

Exterior dimensions: 4 1/4" Long x 3 1/8" wide x 1 3/4" High

Vallorbe 1367 - Swiss Made - Invest in the Best

The bowl can hold up to 8 rings per batch using 60-70 grams of pins

The tiny size and 640X magnification is very suitable for children to develop science interest

0.60ct Oval Faceted Green Sapphire 6.7x5.5mm Cyclomotion Exterior dimensions: 4 1/4" LongSapphire 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