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Because of the wide application of crystal, it has become the focus of many people, so what are the crystals used in? At present, domestic crystal is mainly used for crystal ornamental stone, crystal carving, crystal jewelry, crystal ball, etc., used for collecting, posing, playing, decorating, wearing, town house evil spirits.
No matter what kind of items are in the market during the high-heat purchase period, there will be fakes, fakes, and other fakes. How to identify natural crystals is the most important thing when you buy crystals. How to identify the true and false of crystals can be from 9 Identification in several aspects:
(1) Seeing: In the process of forming natural crystals, it is often affected by the environment and always contains some impurities. When observing the sun, you can see the faint uniform small horizontal stripes or catkins. The fake crystals are often smelted with crystal slag and glass slag. After polishing and coloring, there is no uniform streaks or catkins.
(2) Tongue: Even in the hot summer days, using the tongue to rub the surface of the natural crystal, there is a cold and cool feeling. Fake crystals have no cool feeling.
(3) Illumination: The natural crystal is placed vertically under the sunlight, and it can give off beautiful brilliance from any angle. Fake crystals can't.
(4) Hardness: The hardness of the natural crystal is large. Use the gravel to gently stroke the ornament, leaving no traces; if there are streaks, it is a fake crystal.
(5) Check with a polarizer: 360 degrees under the polarizer is a natural crystal with four dark and four dark changes, and no change is a fake crystal.
(6) Check with two colors: natural amethyst has dichroism, and fake crystal has no dichroism.
(7) Check with a magnifying glass: Under the transmitted light with a ten-fold magnifying glass, the bubble can be found as a fake crystal.
(8) Check with hair silk: Put the crystal on a hair silk, the human eye can see the double shadow of the hair through the crystal, it is natural crystal, mainly because the crystal has birefringence.
(9) Detection by thermal conductivity meter: The thermal conductivity meter is adjusted to the green 4 grid test gems, the natural crystal can rise to the yellow 2 grid, and the fake crystal does not rise, and rises to a yellow grid when the area is large.
Everyone in the purchase of crystal stone can not be purchased with the instrument, but the first few methods are still very suitable for everyone to identify the true and false at the time of purchase, I hope the above information will help you.
For more crystal knowledge, please pay more attention to China Jewelry Merchants Network.
Item Details Other Options
Composition 80%polyester 20%polyamide A. 100%polyester;
B. 85%polyester and 15%polyamide
Weight 300g
250g/sqm-380g/sqm
Color
blue
1. MOQ by stocked color
2. More than 350KG, customized color
Size
60*120cm Other size like:customized size
Logo Customized
A. Silk screen printing, offset printing
B. Digital printing, heat transferred printing; sublimation print
C. Labeled logo
D. Embroidery
Packaging 50pcs per pack
A. Bulk packing:5 or 10 pcs per pack
B. Individual packed in a OPP/PE/PP/PVC/Kraft bag/Paper case, etc.
C. Special packed according to customers instruction
MOQ 3000pcs
A. 500-1000pcs, made by the cloth of what we have in stock
B. Above 3000pcs, any color as customers request
Sample 2-3 days
A. 2-3 working days for stocked cloth;
B. 5 working days for customized color
Payment
Negotiable
A. 30% as deposit, 70% against BL copy.
B. PayPal, Bank Payment, and other payment methods
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Shijiazhuang Tangju Trading Co., Ltd. , https://www.tangjutextile.com