Sapphire is an aluminum oxide (Al2o3) classifies gems very rare and beautiful and precious, and is due naming Sapphire to the Latin word (Rubrum) and means red color, and it is also called red anthrax (Ember), and word sapphire is called the metal Alchorndom (Corundum) with the red color of pure free from defects and impurities and Ojodh transparent looks like a blood bath color (Pigeon blood), has acquired its color to enter the very small amounts of chromium element in chemical composition, and follows the sapphire crystal system triple (Trigonal), and a density of 4 g / cm 3, and the coefficient of break it ranges from 1.760 to 1.769 and of hardness 9 by the relative hardness of the Moho scale on The Field of the most important producing countries bloody Sapphire, which is considered one of the best types of rubies and rarely this kind of sapphire exists sizes more than three carats and there are other type of colored stones Sapphire crimson red, but less transparent and when cutting this kind manner Kabshon Cabochon shows the hexagonal shape of a star, and this is the stone of sapphire stones are very rare and all come from Madagascar, Thailand and Tanzania at the forefront of producing countries Sapphire.
The average person may find it difficult to distinguish between the stones of rubies and all the red spinel and Alberob Garnett and Alalmendin red tourmaline (Ribolat).
The average person may find it difficult to distinguish between the stones of rubies and all the red spinel and Alberob Garnett and Alalmendin red tourmaline (Ribolat).
