3.06ct Oval Cut Spinel 9.3x6.6mm Durston 1114 Large Cupola Set 5” = Size Medium

5” = Size Medium

Insert Material: cemented carbide

Quantity: 130 Values * 20pcs = 2600pcs

With rotating heads for an easy indexing of the hands

3.06ct Oval Cut Spinel 9.3x6.6mm Durston 1114 Large Cupola Set 5” = Size MediumSpinel can be red, pink, orange, purple, violet or blue. Red and pink are caused by traces of chromium, orange and purple by chromium and iron and dark blues by traces of iron and cobalt. Spinel used to be offered as a ruby alternative but nowadays it is praised for its own special characteristics. Some spinels display phenomena such as colour change and asterism. Usually, spinels look clean to the naked eye.; Stone Size (mm): 9. 30x8. 16x5. 65mm;