![]() ![]() ![]() These have higher expansion coefficients than their host. Most corundums have mineral and liquid inclusions. High temperatures can cause a colour change. However, sapphires can be heat-sensitive. Handling: due to the great hardness and the absence of cleavage, sapphire generally is easy to work with. Today padparajas also come from Vietnam and Tanzania (Umba Valley). Localities: in former times padparaja sapphires were found exclusively in Sri Lanka. Read more in the "Worth knowing" section further down this page. Quite often, to find the answer to whether a particular sapphire is a true padparaja or "merely" a pink or orange sapphire, is a bigger problem. Beryllium treatment must be declared at the point of sale!Ī beryllium-treated sapphire from Songea, Tanzania This is a violation of the gem trade´s code of conduct, as well as of the CIBJO regulations. Thus these stones are often sold as "Songea Sapphires", without mentioning the treatment. The source material for this treatment is sapphire from Songea, Tanzania. There are a lot of beryllium-treated sapphire of padparaja colour on the market. via refractive index or specific gravity is usually straightforward. ![]() topaz (particularly those from Ouro Preto, Brazil), pink beryl (morganite), tourmaline and more. There are, however, different spellings like padparadscha oder padparadjaĬan be confused with: there are several other gemstones which may occur in padparaja or padparaja-like colour e.g. Origin of name: from the Singhalese word padmaraga, meaning lotus flower Padparaja sapphires belong to the rarest, most sought-after and most expensive sapphires.įine padparaja sapphire from the Umba Valley, Tanzania Trade name for pinkish orange or orangish pink sapphire.
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