CHELSEA FILTER ORIGINAL FOR EMERALDS and OTHER COLOR GEMSTONES - IDENTIFIES RED, BLUE, GREEN GEMSTONES
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.
Features:
High Quality
100% new and high quality eye magnifier with triplet optical lens
Portable
It comes with its own leather case, include a small loop to attach to a neck chain or key chain
Ingenious, portable and easy to carry.
Applications
Great product for the watch making industry, specially for inspecting those tiny objects, good for jewelry, coins, stamps and antiques, etc.