Active Member
|
[China]
Contact name:Jolie Chow
Shenzhen Fable Jewellery Technology Co., Ltd. |
|
|
Jewellery Tool Chelsea Filter To check if the color gem stone with dying color FCF-25
Model Number: FCF-25
Specifications:
Technical Parameter | material | Optic glass |
Function | To check if the color gem stone with dying color | |
Body case | Metal | |
Size | 55x35x10mm |
Description:
The Chelsea Filter was called Emerald Filter or Beryloscope, it is a kinds of light which can absorb other color when through the red and yellow-green color. It is an assistant gem identification instrument. Fable brand Chelsea file consist by two films with absorb the strong color. The film allows the portion of Wavelength of light waves to absorb some visible light. As the different gemstone absorbs different light, the reaction of the result is different under the Chelsea Filter.
Fable brand Chelsea Filter with:
1. With Excellent Spectralite Color Filter.
2. Fastness and Non-lackness.
3. With Leather Package.
Applications: Gemological Laboratory, Gemology school, Jewelry industrial
