4/4/2023 0 Comments Padmaraga stone![]() ![]() Therefore, any other treatment such as diffusion of foreign ions into the ruby lattice, such as beryllium, fracture sealing with resin, or lead and silicate glass, will not be granted a gemmological report and as such not qualified for Padparadscha or any other colour grading. Treatment of padparadscha sapphire is acceptable only for no treatment or traditional heating. Padparadscha should have excellent to good proportions to maximise total internal reflection and should not show significant windowing (transparent area) or extinction area when viewed face up. ![]() The colour uniformity must be excellent to evenly distributed.Ĭut plays a very important role in the colour of a sapphire. Padparadscha sapphire must be flawless, preferably clean to the eye, or at least transparent, without pronounced inclusions that are very visible under the table. It is therefore not surprising that many of the sapphires we may call "Padparadscha" come from low iron type sapphires with very strong orange fluorescence, such as Ceylon (Sri Lanka).Ĭlarity has a very important influence on the value of a orangy pink sapphire. The almost magical " glowing " apricot colour produced by the Padparadscha sapphire absorption of the sun's ultraviolet light to produce an additional layer of orange adds an important component to its colour. ![]() For more information on colour classification, see here.įluorescence of padparadscha in the long-wave ultraviolet (365 nm) is often strong to medium orange. Padparadscha describes sapphire with a delicate blend of orange-pink, the pink being the dominant hue, with a low to medium saturation, the tones should be light to medium. Colour has the greatest influence on the value of a sapphire.
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