1. What are gems and jade?
Gems are broadly the most beautiful and rare in the stone.
It consists of two major categories of gemstones and jade.
Narrow gemstones are single-crystal minerals that are naturally produced (such as natural gold, diamond) or compounds (such as crystal, red and blue).
Jade refers to a polycrystalline rock composed of a single mineral or a multi-mineral aggregate.
Second, what is jade?
Jade has the reputation of the king of jade. It is a jadeite in jade. Its chemical composition is sodium aluminosilicate. The mineral composition is a pyroxene-based pyroxene. The structure is composed of numerous fine fibrous microcrystals. A dense block assembly having a carpet-like structure. It is very tough, resistant to high impact forces and pressures, and its products are durable. Jadeite has a hardness of 6.5-7 Moss, a specific gravity of 3.3, a glass luster or a pearl luster, and is often translucent, and a few are transparent (fully transparent "glass"), and the fracture is staggered. In China's gemstones, there is a saying that Huang Wei is green and green is green. The origin of the jadeite is mainly concentrated in the Archaeological Area of ​​Myitkyina in northern Myanmar.
Third, what is Hetian jade?
Hetian jade refers to the oldest nephrite produced in Hetian, Xinjiang. Its chemical composition is calcium magnesium silicate, and its mineral composition is a special aggregate composed of hornblende. Mohs hardness 6-6.5, specific gravity 2.9-3.1, fracture staggered, grease luster, translucent to opaque, color is white, cyan, yellow, black, red, etc., the color of a piece of material is generally uniform, its chemistry The composition is relatively stable, can resist strong acid and alkali, and is generally used for making jade carvings and various small pendants and bracelets. It is also the main material of ancient jade products in China.
Fourth, what is jade?
The main producing area of ​​Daiyu is Xiuyan County, Liaoning Province, which is also produced in Xinyi, Sichuan and Sichuan Huili. The chemical composition of Saitama is a hydrated magnesium silicate. The mineral composition is a collection of snake and stone minerals. It is composed of fine fibrous and leaf-like serpentine crystals. It is a very delicate and dense block. . It is available in a variety of colors, which are uncommon in pale green and yellowish green. It has a hardness of 2.5-4.5, a specific gravity of about 2.5, grease luster or waxy luster; translucent to opaque, and very few are transparent, similar to plexiglass. Due to its low hardness, Shaoyu is a low-grade jade material. It is often used as a jade carving and various small pendants. It also makes life products such as tea sets, wine sets, fitness balls and jade pillows.
5. What is Dushan jade?
Dushan jade is named after Dushan, which is 8 kilometers northeast of Nanyang City, Henan Province. Its mineral composition is the eucalyptus petrified plagioclase, which is a multi-color jade. Its color is bright, the pattern is complete, the combination of light and shade, and the texture is delicate, dense and hard. Mohs hardness 6-6.5, specific gravity 2.9; glass luster or grease luster, opaque or micro-transparent. Dushan jade is commonly used in the market to make jade carvings of various ornaments.
Sixth, what is agate?
Agate refers to chalcedony with a ribbon structure, which is a gelatinous mineral whose main component is silica. The hardness is 6.5-7, the specific gravity is 2.65, the fracture is shell-shaped, transparent to translucent, and the glass is shiny. Agate quality should be white, due to the presence of colored ions or other impurities, will appear gray, red, blue and other colors. The natural red agate is “burned red†and the heat treatment makes the light red agate turn bright red. High quality white agate can also be dyed in a variety of colors. Bracelets are often made on the agate market, and some small pendants and ornaments are also made. Agate mainly produces Brazil, and the main producing area of ​​agate in China is in Fuxin City, Liaoning.
7. What is "Furong Stone"?
Furong stone is a kind of pink translucent to transparent quartz block, also known as "Rose Quartz". Its chemical composition is mainly silica. In addition to pink, it is also dark pink. The hardness is 7, the specific gravity is about 2.65, and the fracture is shell-like, showing a grease luster. Mainly used as necklaces, bracelets, and sometimes some small pendants or chicken hearts and earrings and other accessories, Furong stone mainly produces Brazil, China's main producing areas in Xinjiang, Yunnan and other places.
Eight, what is the "tiger eye stone"?
Tiger eye stone is called "wood stone" because of its similar appearance to wood. It is made of blue asbestos with mineral composition of sodium amphibole. It is replaced by geological hydrothermal fluid. The silica in the hot liquid gradually replaces sodium. After the amphibole, it becomes silicified blue asbestos, and its composition becomes quartz with a hardness of 7 and a specific gravity of 3.1. The tiger's eye stone can be divided into three categories according to the color, yellow and yellow-brown, and the cat's eye effect is called the tiger's eye stone. The main color is blue, and the cat's eye effect is called eagle stone. The brown and blue spots are mixed together. For the zebra tiger stone. The tiger eye stone market is mainly used as necklace beads and bracelet beads, mainly in Brazil and Australia.
Nine, what is Dongling jade?
In the geology, Dongling jade is called chrome mica quartzite with a hardness of 7. and a specific gravity of 2.65. It is brittle, translucent and has a staggered shape. According to its color, it can be divided into green Dongling stone, blue Dongling stone and red Dongling jade. Dongling jade mainly produces India, also known as Indian jade. Often used as necklace beads and bracelet beads, small pendant accessories, also have ornaments.
X. What is Venus Stone?
Gold Star Stone, also known as gold or gold sand flash mine, is a quartzite containing mica flakes or iron oxide mineral fines, named after the shining light of Venus. It is commonly used in the market as a bracelet bead, necklace beads, chicken heart or as a stamp material.
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