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fashion jewelry sets wholesale What is wood alexandrite?

投稿しました による kingjy

Wood alexandrite is also called silicified asbestos. Wood alexandrite is formed by replacing alkaline amphibole with silica and still retaining its fibrous crystal appearance. Wood alexandrite has a fibrous structure, silky luster, slightly transparent to opaque. The refractive index of wood alexandrite is generally 1.53, and the density is generally 2.65 g / cm3. The colors of alexandrite are brown, yellow-brown, 緑, 青, blue-gray, 等. According to different colors, wood alexandrite can be divided into three varieties, tiger eye stone, eagle eye stone and zebra tiger eye stone.

The color of tiger’s eye is often brownish yellow, brown to reddish brown, tan, brown. The yellowish brown and brown may be caused by the limonite. When the fibers that make up the tiger’s eye stone are thin and neatly arranged, the cat-eye effect can appear on the surface of the curved gemstone, but the eyeliner is wider, and the opening and closing phenomenon is rarely seen when swinging from side to side. Tiger-eye stone is named because it has a cat-eye effect after being polished into a curved surface, which resembles the eyes of a tiger.

The color of eagle’s eye stone is often blue, dark gray blue, blue green. Blue may be the color of residual blue amphibole asbestos, and cat-eye effect can also be seen. The eagle-eye stone is named because it has a cat-eye effect after being polished into a curved surface, which resembles the eyes of an eagle.

Zebra tiger’s eye stone refers to a wood alexandrite with a patchy distribution of yellowish brown and blue. Zebra Tiger Eye Stone can also have a cat’s eye effect.

Good quality alexandrite generally requires dense raw materials and strong silk luster. The world’s largest deposit of wood alexandrite is located in Transvaal Province, 南アフリカ. 加えて, the origin of alexandrite is Brazil, India, and Sri Lanka. Xichuan, Henan, is the only known producing area of ​​woody alexandrite in my country.

The output of alexandrite itself is not large. It belongs to the middle and low-grade gemstones among the gemstones, and is often used to make exaggerated jewelry.

 

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