Home > News > Industry News > Identification of diamond
Browse Categories
Diamond Segments(21)
Stone Cutting Tools(117)
Stone Grinding & Polishing Tools(854)
Stone Drilling Tools(144)
Concrete Cutting Tools(44)
Concrete Grinding and Polishing Tools(294)
Concrete Drilling Tools(30)
Ceramic Diamond Tools(23)
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...


Identification of diamond

  • Author:Sherry Huang
  • Source:www.boreway.net
  • Release on :2016-01-26
SocietyJewelryUnder increased diamond demand, synthetic diamondAnd other posing diamond market continues to expand charge, and even some jewelry operator could not tell. Here are some simple methods to identify the authenticity of diamonds:

Single refraction

Diamond single refraction is due to the essential characteristics of the diamond decision. And other natural stones or artificial stonesMostly of double refraction. Fake diamonds under 10x magnifying glass from the front slightly oblique perspective, it is easy to see that the ridge line overlapping images, and also exhibits two bottom light.BirefringenceSmall differences such as white stoneEtc., can also be seen at the end of light overlap Movies


Diamond grease and dirt have some affinity, that diamonds can easily be adsorbed oil. Thus, with a finger touch diamond will feel tackiness, fingers seem to have slimy feeling. This is not any gems. This approach needs to be trained in order to grasp the subtle wherein

Straight line features

Polished diamond surface is very smooth. With a pen dipped in ink across the diamond, if real diamonds, leaving the surface is a smooth continuous line, characterized by straight line. Counterfeit goods leaving a line consisting of a bullet. This method should be observed by means of discharge

Adamantine luster

Roughly 100 degrees of incandescentLight, Cutting good diamonds and counterfeit goods compared with each other, it is easy to see which has the adamantine luster. This method should not be in too dark or too strong

Density Detection

Diamond has a density of about 3.5 grams per cubic centimeter, and other "suspected diamond," the density is generally from about 3.25 grams per cubic centimeter, withMethylene iodide solution(Its density is 3.35 g) soaked "suspected diamond," as it was floating, sinking is a diamond.