rose gold bracelet mens Basic classification of corundum gemstones

Corundum is a mineral name, the English name is Corundum. Among corundum minerals, corundum that reaches gem level is called corundum gems.

Corundum gemstones include rubies and sapphires. The red ones (medium shades of red to dark red to purple) are called rubies, and the other colors are collectively called sapphires, including pink and sapphires. They are the two recognized in the world. High-end gems-that is to say: ruby ​​is red corundum, while sapphire is the general term for corundum of various colors other than red.

The value of high-end rubies is comparable to that of high-quality diamonds. People have known and used red and sapphire for thousands of years, and they have been described in the Bible and ancient Indian Sanskrit (a very old ancient Indian language). Ancient people also believed that red and sapphire could be used as medicine. De acordo com a lenda, ruby ​​powder could treat digestive tract diseases, and sapphire could be used to treat eye diseases. De um modo geral, the value of rubies is higher than that of sapphires, and rubies of similar quality are more than three times the price of sapphires.

The color of sapphire is mainly blue, including all colors except rubies, such as yellow, rosa, green, black and so on.

The evaluation of rubies and sapphires is basically the same as that of diamonds, with dimensions based on color, clarity, peso, and cut. The color is pure, relatively clean, heavy, and well cut.

Ruby sapphire can be cleaned with a professional ultrasonic cleaner (check for cracks first to prevent damage), or soak and clean with a mild neutral detergent; store it separately from other gems to avoid collisions and damage.

 

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