The biggest feature of sapphire
Sapphire and ruby ​​are sister gems. They are all corundum minerals. They are the hardest natural minerals on earth except diamonds. The basic chemical composition is alumina. In addition to the star effect, only translucent or transparent and colorful corundum can be called a gem. Red and chrome-containing corundum is red, so it is called ruby; blue sapphire (Sapphire) is because it contains trace amounts of titanium and iron. In fact, in addition to the red corundum gemstones, all other shades of corundum are commercially referred to as sapphire. Therefore, Sapphire is not just a blue corundum gem. In addition to the complete blue series, it also has yellow, pink, orange, orange and purple colors like fireworks. Sapphire is collectively referred to as Sapphire.
Sapphire is regarded as auspicious by the ancient people's mysterious supernatural color with its crystal clear and beautiful color. The sapphire is the holy stone of the sun god Apollo, and it is known as the "stone of heaven" because of the transparent dark blue. As early as in ancient Egypt, ancient Greece and ancient Rome, it was used to decorate mosques, churches and monasteries, and as a tribute to religious ceremonies. In the past, people also engraved Christ's Ten Commandments on sapphire as a priest's crown jewel. The Persians believed that the earth was supported by a huge sapphire, and the reflection of sapphire made the sky blue. The ancient king wore sapphire between the necks as a powerful defense against injuries. Legend has it that sapphire protects the wearer from jealousy and can be loved by the gods.
The biggest feature of sapphire is that the color is uneven, and the flat ribbons and growth lines with different depths can be seen in parallel hexagonal cylinders. Polycrystalline twin crystal development, common blinds double crystal grain. The cracking is split along the double crystal plane. In addition to the above common features, sapphire in different regions of the world is also characterized by different origins. There are not many world sapphire producing areas, mainly Myanmar, Sri Lanka, Thailand, Australia, China, etc., but in terms of gem quality, Myanmar and Sri Lanka have the best quality.
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