We have not been able to find the textual research when the sapphire was discovered, but there is the document mentioning that it has been over 2000 years since Sri Lanka explored the sapphire. The same as the ruby, the sapphire also has many touching stories. It is said that it can protect the King and monarch from being jealous and hurt, it is the most suitable for the gems of the clergy crown and they carved The Commandments of the Christianity onto the gems. The sapphire has been addressed as the soul of gem, giving us the feeling of solemn and gracefulness. In the early age of 12th century, because the bishop at that time especially like the sapphire, making the sapphire the regular ornaments of the priests. The blue of the sapphire was considered as the loyal blue, which is cherished very much, the ancient Persians thought that the land was supported by a large sapphire, the reflections of the sapphire make the sky take on blue color. The color impurities included in the sapphire causes the differences of the sapphire’s colors, in some mines, the same one sapphire produced has 2 colors, one part is blue, the other part is yellow green, forming the Bicoloured-sapphire. The primeval sapphire was produced high temperature and rich-alumina-deficient-silicon environment, but it also should be the earth geological conditions, containing the iron and titanium. The sapphire is the direct product of the molten mass in the magma conduit, the alumina is oversaturated and the silicon oxide is deficient in the upper mantle.
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