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these are important factors affecting starlight red sapphire. Of course, in addition to evaluate the quality of the ruby and sapphire from the above aspects, the true and false judgment more important. In general, the fake red sapphire is divided into two cases. the First to low-grade gems posing red sapphire. Specific to these low-grade gems had no natural ruby and sapphire color shape and light, generally can be observed by the naked eye and instrument. synthetic ruby and sapphire. Natural ruby and sapphire crystallization process, around there is always some other natural mineral crystals, these minerals are often pack into the red sapphire crystal inclusions.
These inclusions has two main characteristics: First was with angular crystalline form; is often arranged in a certain direction intersect each other at a 60 ° angle. Naked eye, as if the surface of the red sapphire has a number of filaments, and this is precisely an important symbol of the true gems. In contrast, synthetic ruby and sapphire inclusions package body is not a variety of minerals, but the emergence of bubbles, bubbles are usually irregular, dense clusters, can also be isolated appear. more purchasing skills can help us to judge, but the most reliable or go to a qualified, reputable businesses buy red sapphire, of course, we must remember to obtain a copy of the certificate of authenticity.
small misunderstanding: sapphire insufficiency blue in gem corundum family, in addition to red, pink, light red gem called ruby color gem corundum are known as sapphire, sapphire is not necessarily blue, if yellow sapphire. emerald optional skills emeralds quality evaluation criteria and other similar gems market, but also look at the color, clarity, weight, cut, but the primary factor The emerald color quality. in color, not simply that the the emerald color The so-called Of course, this pure green is more concentrated, the higher its value.
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