Regarding emeralds, what are the different types of emeralds?

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There are 6 types of emeralds.

1. Yellow emerald: It is a kind of beryl transparent crystal, which contains iron in its chemical composition and is yellow, golden yellow and light lemon yellow.

2. Rose emerald: It is a transparent crystal of beryl. Contains lithium, cesium or manganese and is pink or rosy red. The crystals are mostly irregular plate-shaped. The color has obvious banding.

3. Amethyst emerald, which is a purple-red beryl, the color is very similar to crystal;

4. Sea blue beryl is a yellow-green beryl, the color is very similar to yellow-green peridot;

5. Transparent beryl is a colorless and transparent beryl;

6. Dark brown beryl is a beryl with starlight effect and bronze flash.

Answer: according to the relevant information inquiry, Hubei Zhushan, Yunxian, Shaanxi Baihe, Henan Xichuan, Xinjiang Hami, Qinghai Ulan, Anhui Ma'anshan and other places have turquoise output, which Hubei Yunxian, Yunxi, Zhushan around the high-quality turquoise for the world's famous origin, the turquoise on Yungai Mountain is named Yungai Temple turquoise on the top of the mountain, is the world-famous Chinese turquoise carving artwork of the original stone origin, in the industry and collection of the world enjoys a good reputation and best-selling at home and abroad. Furthermore.

Turquoise has also been found in Jiangsu, Yunnan and other places. These are the main sources of emeralds in China.

In addition to emerald and aquamarine, gem-quality beryl of other colors are collectively called emerald gems. Due to the presence of trace or trace amounts of transitional elements, beryl often takes on different colors. The main varieties are as follows:

1) Yellow emerald (also known as golden beryl): The English name is heliodor, which is derived from the Greek word and means "sun". It is a transparent crystal of beryl that is yellow, golden, and pale lemon yellow due to the presence of iron in its chemical composition.

Vitreous luster. Refractive index, birefringence index. It has a weak greenish-yellow to yellow pleochroism.

hardness, density grams of cubic centimeters. Good toughness.

2) Rose Emerald (also known as red beryl or cesium beryl): The English name is Morganite, named after the American gem lover J p.

The name of Morgan. It is also a transparent crystal of beryl. It is pink, rosy red because it contains lithium, cesium or manganese.

The crystals are mostly irregular plate-shaped. The color has obvious banding. Vitreous luster.

The refractive index, birefringence, increases with cesium content. Pleochroism is significant, pale red to deep bluish-red. hardness, density grams of cubic centimeters.

The fluorescence emitted under ultraviolet light is a faint bright red color. Good toughness.

In addition, there is amethyst emerald (also known as purple-red beryl), which is a purplish-red beryl with a much crystal-like color; Aquamarine beryl is a yellow-green beryl that resembles yellow-green olivine in color; Translucent beryl is a colorless and transparent beryl; Dark brown beryl, is a beryl with a star effect and bronze sparkles.

Emeralds are mainly found in pegmatite-type, gas-forming hydrothermal type, hydrothermal type, and placer type deposits. The countries that produce emeralds in the world include Madagascar, Brazil, Afghanistan, the United States and other countries.