Home > News > Industry News > China Where gem mine?
Browse Categories
Diamond Segments(122)
Stone Cutting Tools(219)
Stone Grinding & Polishing Tools(919)
Stone Drilling Tools(144)
Concrete Cutting Tools(47)
Concrete Grinding and Polishing Tools(524)
Concrete Drilling Tools(30)
Ceramic Diamond Tools(24)
Vacuum Brazed Diamond Tools(73)
Machinery and Other Tools(174)
Abrasive Tools(1)
Other Tools Category(108)
Cuting,grinding,polishing and drilling tools(750)
Hot-sale Products
Contact us
Contact us: Fujian Nanan Boreway Machinery Co.,Ltd. ADD: HuaHui Center, Shuitou Town,Quanzhou, Fujian, China, ...
Contact Now
Latest News

What is the thickness of the base of the ultra-thin saw blade?

Ultra-thin diamond saw blade refers to high-precision special-purpose diamond cutting blade.According to different bonding agents, the production is divided into metal bonding agents, resin bonding agents and electroplated diamond cutting blades.

How to use corrugated ceramic saw blade correctly?

Ceramic Blade Disc is a particularly stable and mature diamond saw blade, especially suitable for cutting ceramics, porcelain.

How to protect yourself against the epidemic?

Boreway will continue to provide customers with comfortable services,high-quality dry-cut small saw blades,multi-size saw blades,Litchi surface grinding disc for grinding concrete and other products.

What should diamond tools know?

A diamond tool is nominally a tool for making diamonds, and then a tool for consolidating diamond with a binder to have a certain shape, structure, and size is a diamond tool.
Among them, common diamond abrasive pastes, rolling saw blades, cold-embedded diamond wire drawing dies, cold-embedded diamond tools, brazed diamond composite blade tools, etc., are all kinds of diamond tools.

What is the difference between wet and dry cutting of diamond saw blades?

In recent years, with the increasing range of applications of diamond circular saw blades, diamond circular saw blades have been stimulated to develop...

What are the key technologies for diamond tool manufacturing?

Due to the hardness of diamond tools High, good wear resistance, High thermal conductivity, low coefficient of friction and thermal expansion, strong ...

What polishing methods do abrasive mills have?

The polishing in plastic mold processing is very different from the surface polishing required in other industries. Strictly speaking, the polishing o...

How To Choose The Right Grit For The Diamond Grinding Cup Wheel?

Describe: How To Choose The Right Grit For The Diamond Grinding Cup Wheel? Diamond Grinding Cup Wheel metal bond diamonds have high strength, e...

News

China Where gem mine?

  • Author:Huang Xueyu
  • Source:www.boreway.com
  • Release on :2016-07-18

A diamond

China'sDiamondProved reserves and production ranks about 10th in the world, the annual output of 20 million carats of diamonds, mainly in Wafangdian, Liaoning, Shandong and Hunan Yuanjiang Mengyin Basin, which is Asia's largest Liaoning Wafangdian diamond mines.

The biggest diamond found in our existing constant forest diamonds on February 21, 1977 found in Shandong, the brigade Weizhen Fang Changlin found, hence the name "Chang-lin diamonds", now in the possession of the bank treasury, Changlin diamond weighing 157.786 Carat, octahedral form, texture, clean, transparent, pale yellow.

II and Hetian

Xinjiang Hetian jade mainly in the depths of the Kunlun Mountains south of the Tarim Basin, west Sanju Tagg southern region east of Kashgar and Tashkurgan County Ann vigorously Tage Ala Zi Shan, Zhong Jing Hetian, iron Kerry Keta grid, Liu Shi Tage, east Qiemo Nana Er Su 拉穆宁塔格 Jinshan north wing. The distribution of a large number of native nephrite deposits and occurrences in this range of mountains 3500-5000m, but also produced in the relevant riverHetian jade Aberdeen materialsThe main rivers are Karakash River, Yulong Kashgar River Basin.

The early 1990s, the herders reported mine near Golmud in Qinghai Kunlun Mountains Crossroads, discovered a new nephrite deposits, and subsequently get exploited. Qinghai jade rich colors, except white series, there are blue, green, yellow, purple, general color is not correct, generally with a gray tone; on transparency, Qinghai, Xinjiang and nephrite jade common than high; the gloss, Qinghai jade lack of Xinjiang and nephrite that unique oil sheen.

Third, Crystal

Jiangsu East China Sea natural crystal Crystal is the world's raw materials distribution center, has a "Crystal City"Reputation of Donghai County, Jiangsu Province, East China Sea crystal to reserves, pure texture known to the world, the East China Sea natural crystal reserves of about 300,000 tons, its quality, reserves ranked first in the country.

Currently more than 90% of the crystal are from here, but many of them are imported from abroad, because the crystal market is getting better all these years, demand is also growing.