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Product Information:
Charles filters (CHELSEA COLOUR FILTER)
Principle: only through the color filter is a part of the red and yellow-green light， and the absorption of other shade of special optical lenses.
Usage: A strong light fixed-precious stones， eye color filter allowances were observed.
Description:. Charles filters (CHELSEACOLOURFILTER)， also known as the emerald color filter (EMERALD FILTER) or Beryl mirror (BERYL OSCOP) Currently more varieties of gem identification using filters， but the performance of the Gemological Institute of Actis best offer The most. common fraud has dyed jade (also known as soy color)， coating. Which is also called dyed jade Jade C goods because of its true colors as beautiful， often impurities present， there are extremely deceptive.
Usually dyed emerald green dyes， coloring and other methods of radiation. Which dye is pale or white color jade raw materials or finished products， plus high-temperature method used to make the gap expanded. Immediately immersed in a solution with a green dye， the dye solution or a high voltage is pressed into the gap. Green dye used mostly inorganic chromium salts. Using chromium salts containing dyed jade color will become the next Charles filters pink to reddish brown， and natural jade， compared with green or gray-green. In other words， all the microscopic Charles Green emerald green to red， are "fake"， they either dyed or is not jade， the use of other materials. Such as water grossular posing.
About Delivery:
We usually arrange shipment within 3 business days of receipt of payments.
A tracking number will be emailed to buyer at the time of shipmen
Mode of payment:
We accept alipay here.
All major credit cards are accepted through secure payment processor ESCROW. If you cannot make payment within 3 days， but still intend to pay it， please contact me so we can work something out
Sales service:
The product are 100% same as the pictures， what you see is what you get， We will provide the best service， Anything that we can help you， please don\'t hesitate to contact us， we will try our best to help you.
Safety of the packaging of goods， if you receive product broken or damaged， we will to free deliver goods to you， Your satisfaction is our pursuit.
If it is our mistakes， let you receive of the products have defects or not you order products， please give us display pictures confirmed that mistake， we will refund your money or free to delivery.
The different country have different customs rules， if the buyer\'s customs ask for any tax， the tax is the buyer\'s responsibility.
If the wouldn\'t like to pay for the tax and gave up the package， we will never refund any money， and the return shipping cost is the buyer\'s responsibilit
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