Home > News > Industry News > Priceless, drilling inventory .....
Browse Categories
Diamond Segments(15)
Stone Cutting Tools(111)
Stone Grinding & Polishing Tools(842)
Stone Drilling Tools(143)
Concrete Cutting Tools(43)
Concrete Grinding and Polishing Tools(269)
Concrete Drilling Tools(27)
Ceramic Diamond Tools(22)
Vacuum Brazed Diamond Tools(73)
Machinery and Other Tools(174)
Abrasive Tools(1)
Other Tools Category(108)
Cuting,grinding,polishing and drilling tools(727)
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 Diamond Floor Grinding Disc?

What is Diamond Floor Grinding Disc? Boreway Sharp Diamond Floor Grinding Disc Wholesaler: Our Diamond Tools are made of high quality diamonds in a c...

What Kind Of Equipment Can Be The Concrete Surface Smooth?

What Kind Of Equipment Can Be The Concrete Surface Smooth? The concrete flattening machine relies on the surface grinding head equipped with diamond b...

What are the advantages of our floor metal bond tools?

What are the advantages of our floor metal bond tools? We offer many types of floor metal bond tools.For example,we supply Husqvarna Redi-Lock metal a...

What Is The Diamond Bush Hammer Tool?

What is the diamond bush hammer tool? The type of bush hammer tool can be used for hammers:HTC hammers, Klindex hammers, Husqvarna hammers, Terrco ham...

Why diamond polishing pads are popular used?

The Right Diamond Polishing Pads for Each Step of the Process One of the most important factors when preparing to improve the finish of a floor is hav...

Why buy electroplated diamond cutting disc for marble from Boreway?

Why buy electroplated diamond cutting disc for marble from Boreway? * Boreway electroplated diamond cutting disc have been market tested, quality same...

Diamond bit cold pressing machine, diamond blade production equipment

Fujian Nanan Bo Wei Machinery Co., LtdIs a specialized productionDiamond bit equipment(KH-35T and KH 60T) according to different pressures. On the bas...

Small diameter diamond blades during use precautions

Small diameter diamond saw blade can be used for cutting marble, granite, concrete, refractories, ceramics and other brittle materials. Cutting equipm...


Priceless, drilling inventory of the world's top ten(2)

  • Author:Sherry Huang
  • Source:www.boreway.net
  • Release on :2016-03-02
February 14, 1972 is found in West Africa, Sierra Leone Kono (Kono) Region alluvial placer weight of 968.90 kt, crystalline incomplete, was egg-shaped, colorless and transparent, is a high-quality gem diamonds. Carefully designed. "Star of Sierra Leone" diamond is cut, processed and refined into 17 diamonds. 
Yi Kesha repair diamond Yi Kesha repair diamond means "Pescod not yet" or "very noble", is the world's second largest rough diamond, weight 995.2 kt, produced in South Africa, Tanzania mine Ya parties. Prior to 1905, Cullinan find that it has accounted for the weight of the world's first (or second) position, now ranking fourth. 
"Mountain of Light" originated in south-central India's Golconda, has any invaders fall into a few hands, in 1895, "Mountain of Light" diamond is dedicated to Queen Victoria of England, set in the crown of the Queen his mother on 1937, the Queen wearing a crown inlaid with diamonds Guangshan attend her husband King George VI's coronation. 
Mogul Diamonds are found in India 17th century diamond. 1665 French traveler Tavernier palace service in India had witnessed the diamond. According to Mughal Taj Mahal builders Sharjah Khan named. However, the diamond and later disappeared. Legend of future generations, "Orlov" and "Mountain of Light" diamond is split out from the Mogul diamond. 
Star of Africa diamond processing with a natural diamond is the Cullinan. Since the original stone is too large, it needs to be broken down into several pieces. The world's second largest rough diamond Star of Africa is the Premier mine in South Africa found in 1905, weighing up to 3106 kt. Later, after cutting, refined into many different sizes of diamonds, the largest being embedded in the King's scepter, weighing 530.2 kt, known as "Star of Africa."