Chelsea Filter Jewelry Testing Equipment A Must Have For Identifying Colored Stones FCF - 25
Model Number: FCF-25
Specifications
Color filters have many uses in gemology. The chelsea filter(CF) is the most prominent of then.
Technical Parameter | material | Optic glass |
Function | To check if the color gem stone with dying color | |
Body case | Metal | |
Size | 55x35x10mm |
Description:
The renowned CHELSEA FILTER is a must have for identifying colored stones. While it was originally intended to rapidly differentiate between genuine Emeralds and the pastes and doublets which resemble them, it also is a valuable aid in identifying other colored stones, as well. Designed to transmit only deep red and yellow-green light, and the best results are obtained when stones are examined under a strong electric light.
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