Nero Gems
Lot of 4 Orange Sapphires Rosette Cut Fancy Shape 1.64 ct Total
Lot of 4 Orange Sapphires Rosette Cut Fancy Shape 1.64 ct Total
Sapphire with a yellow-orange color, probably obtained by beryllium diffusion treatment. Good transparency when observed with a 10x lens
Pure corundum, or aluminum oxide, is a completely colorless mineral. The presence of elements foreign to its chemistry give it its color; hence the name of the variety (sapphire for blue and ruby for red). The lot presented is of sapphires, whose orange color was induced by beryllium diffusion processes in the structure of the gems. The rosette cut, with fancy shapes is very particular. These gems can be purchased individually, but it is recommended to take the entire lot to make a pavé
Source: Natural
Cut: Fancy|Rosette
Weight in Ct: 1.64
Length in mm:
Width in mm:
Height in mm:
Treatments: Thermodiffusion
Purity: SI2|Type II
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