The biggest counterfeit of crystal is glass. Many people may want to go beyond the question: Is there a tool that can quickly distinguish between glass and crystal without much professional knowledge and can be used at a glance? The answer is yes, the polarizer is what you are looking for.
Polarizer is a necessary instrument in gem identification laboratories, which can quickly determine the crystal state of gems. With the advent of portable polarizers, this kind of instrument is fully functioning outside the laboratory.
As a very professional gem identification instrument, the structure of the polarizer is unbelievably simple. In fact, it is two polarizers plus a light source. Many sunglasses on the market now use polarized lenses. If the two polarized lenses are removed and a flashlight is used, this is a simple self-made polarized lens.
A polarizer is an optical element that can absorb a large amount of light and only let light in a specific vibration direction pass. When the two polarizers are perpendicular to each other, no light can continuously pass through the two polarizers, so the field of view looks completely black. This phenomenon is called extinction.
Before using the polarizer to observe the gemstone, the polarizer should be adjusted to the extinction position, so that the working state of the instrument can be reached. At this time, place the transparent gem between the two polarizers and rotate the gem, and different phenomena will occur.
Usually we can see three completely different phenomena: some gems are always black under the polarized lens, and no light can penetrate through; some gems flicker and darken under the polarized lens. If you observe carefully, you will find that the gem turns around once During the process, there will be a total of four light and dark alternations; some gems are always bright under the polarizer, and there is no extinction position.
Only non-crystalline and equiaxed crystals, such as glass, garnet, spinel, diamond, etc., can always extinct under polarized light. In addition to the equiaxed crystal system, all crystals of the crystal system will appear four bright and four dark under the polarized lens, such as crystal, tourmaline, aquamarine, topaz, etc. What is the situation of those who do not extinct under the polarizer and keep full brightness?
This must be a crystalline aggregate, which is what we often call jade, such as jade and agate.
Now you should know how the polarizer can quickly distinguish between glass and crystal. That’s right, just put the gem on the adjusted polarizer and rotate it, and the answer will come out immediately. It is glass that is always extinct, and the one that is bright and dark must be crystal. It is indeed done in a second.
But it needs to be reminded that unless you have enough evidence that the gemstone tested is one of glass and crystal, a polarizer can help you draw a conclusion within a second. If it is a gem that you are not sure of what kind of gemstones always appear to be extinct on the polarizer, you must not conclude that it is glass. Don’t forget, it will also appear in gems of the equiaxed crystal system like garnet. phenomenon. Similarly, it is impossible to confirm that the gemstone measured is a crystal as soon as you see the phenomenon of four bright and four dark, because the phenomenon of all gems is the same except for a few gems of the equiaxed crystal system such as diamonds.
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JingYing custom made silver earrings jewelry manufacturer production process
The reasons of quality guarantee of JINGYING jewelry
1. Original Designning
It begins when you bring us a design idea or sample changed ,we start original design by sketch as your request. Custom necklace manufacturer
2.Creating 3D Mold
No matter if this is a simple sketch or a full prototype, we are the Experienced and mature design team help you working on bringing it to life as a fully realized piece of jewelry.Custom 925 silver bracelet.
3.Creating Mold ( Metal Master)
We use CNC machining machine carving jewelry model ensure our jewelry goods 100% high quality sterling silver jewelry same as fine jewelry surface smooth and no lost stone .Custom earrings sterling silver manufacturer
4.Casting
Inject wax mold become plaster mold ,after High temperature heating got jewelry metal goods base. Custom made ring silver jewelry
5. Molding & Polish
Modeling jewelry goods more beautiful ,surface smooth. Custom made silver jewelry manufacturer
6. Hand Setting Gemstone
We use Micro-inlaid machine imported from Japan do setting for 5A CZ stones ,can be 99% no lost stone wax setting technology . Custom made men silver jewelry
7. Plating
We do 2-time plating for all 925 sterling silver jewelry ,first do thick silver plating by base ,double posh make sure surface smooth then go on with the real gold plating ,thickness up to 3 microns ensure can last 1years time ,we call it vermail .
8. Perfect QC Process
Quality checking is the most important process in the whole production line .we have a 10-engineer team to do quality checking control by each process .
No lost stone -1,we will use professional steel needle to beat stone one by one ,make sure no fall out .2,we will drop jewelry items at 3 meters to check the stone no fall out .
Plating- 1,customer can get the report from the machine test about the plating thickness make sure get your standard .2,we use professional tools ,manually rub the metal surface for five minutes ,ensure the coat quality is good . Custom wholesale sterling silver
9. Packaging & Shipping
Independent packaging ,or as per customer request；Express delivery by DHL ,UPS,TT
JingYing custom made silver earrings jewelry manufacturer 925 Sterling silver Manufacturer Advantage
1:20-year senior high end 925 sterling silver custom wholesale jewelry maunfacturer
2:Ten of thousands fashion jewelry customized production experience ,monthly production capacity up to 100000 pieces
3: Exquisite workmanship ,surfface smooth.
4:Efficient production,7-day sample time ,30-day mass production time
5:Quality products,does not change color, does not drop the stone, if has the product quality question in non-human reason, guaranteed 3-6 months for repair.
In the past 20 years, JingYing Jewelry has been following the aim of pursuing perfection and improving on the 925 silver jewelry technology.Our design team keeps learning and improving skill ,design fashionable, romantic accessories for feminine.Relying on exquisite design process and excellent quality, JingYing Jewelry has won the familiar and recognition of chain brands at home and abroad.
Occasion:Modern jewelry manufacture wholesale women’s jewelry custom for party and daily trendy jewelry rings for women
Jewelry custom made silver earrings jewelry manufacturer Quality Assurance :
Your jewerly designs and goods must be took pictures before shipment .check your order whether have problem .
Whatever you have any problem with custom jewerly design or mass order once you get the goods ,contact with us (mo@kingjy.com) ,can get refund if quality problems ,do business with us is in safe .
2.Creating 3D Mold
No matter if this is a simple sketch or a full prototype, we are the Experienced and mature design team help you working on bringing it to life as a fully realized piece of jewelry.Custom 925 silver bracelet.
3.Creating Mold ( Metal Master)
We use CNC machining machine carving jewelry model ensure our jewelry goods 100% high quality sterling silver jewelry same as fine jewelry surface smooth and no lost stone .Custom earrings sterling silver manufacturer
4.Casting
Inject wax mold become plaster mold ,after High temperature heating got jewelry metal goods base. Custom made ring silver jewelry
5. Molding & Polish
Modeling jewelry goods more beautiful ,surface smooth. Custom made silver jewelry manufacturer
6. Hand Setting Gemstone
We use Micro-inlaid machine imported from Japan do setting for 5A CZ stones ,can be 99% no lost stone wax setting technology . Custom made men silver jewelry
7. Plating
We do 2-time plating for all 925 sterling silver jewelry ,first do thick silver plating by base ,double posh make sure surface smooth then go on with the real gold plating ,thickness up to 3 microns ensure can last 1years time ,we call it vermail .
8. Perfect QC Process
Quality checking is the most important process in the whole production line .we have a 10-engineer team to do quality checking control by each process .
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